Home / 783,453.92-1,175,350.06-243,699.91

Finding the Fourth Proportional to 783,453.92, 1,175,350.06 and 243,699.91

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Solution

The fourth proportional to 783,453.92, 1,175,350.06 and 243,699.91 is: 365,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,453.92 : 1,175,350.06 = 243,699.91 : x
  2. Step 2: Convert to fraction form
    783,453.92/1,175,350.06 = 243,699.91/x
  3. Step 3: Cross multiply
    783,453.92x = 1,175,350.06 × 243,699.91
  4. Step 4: Simplify right side
    783,453.92x = 286,432,703,840.50
  5. Step 5: Solve for x
    x = 286,432,703,840.50/783,453.92
  6. Step 6: Final answer
    x = 365,602.49

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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.