Home / 749,330.55-1,124,006.49-243,894.20

Finding the Fourth Proportional to 749,330.55, 1,124,006.49 and 243,894.20

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Solution

The fourth proportional to 749,330.55, 1,124,006.49 and 243,894.20 is: 365,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,330.55 : 1,124,006.49 = 243,894.20 : x
  2. Step 2: Convert to fraction form
    749,330.55/1,124,006.49 = 243,894.20/x
  3. Step 3: Cross multiply
    749,330.55x = 1,124,006.49 × 243,894.20
  4. Step 4: Simplify right side
    749,330.55x = 274,138,658,053.33
  5. Step 5: Solve for x
    x = 274,138,658,053.33/749,330.55
  6. Step 6: Final answer
    x = 365,844.76

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Double scale
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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.