Home / 749,127.22-1,123,701.19-243,690.83

Finding the Fourth Proportional to 749,127.22, 1,123,701.19 and 243,690.83

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Solution

The fourth proportional to 749,127.22, 1,123,701.19 and 243,690.83 is: 365,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,127.22 : 1,123,701.19 = 243,690.83 : x
  2. Step 2: Convert to fraction form
    749,127.22/1,123,701.19 = 243,690.83/x
  3. Step 3: Cross multiply
    749,127.22x = 1,123,701.19 × 243,690.83
  4. Step 4: Simplify right side
    749,127.22x = 273,835,673,649.23
  5. Step 5: Solve for x
    x = 273,835,673,649.23/749,127.22
  6. Step 6: Final answer
    x = 365,539.61

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Half scale
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Double scale
Find fourth proportional to 749,128.22, 1,123,702.69 and 243,691.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.