Home / 753,428.10-1,130,142.15-254,792.10

Finding the Fourth Proportional to 753,428.10, 1,130,142.15 and 254,792.10

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Solution

The fourth proportional to 753,428.10, 1,130,142.15 and 254,792.10 is: 382,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,428.10 : 1,130,142.15 = 254,792.10 : x
  2. Step 2: Convert to fraction form
    753,428.10/1,130,142.15 = 254,792.10/x
  3. Step 3: Cross multiply
    753,428.10x = 1,130,142.15 × 254,792.10
  4. Step 4: Simplify right side
    753,428.10x = 287,951,291,697.02
  5. Step 5: Solve for x
    x = 287,951,291,697.02/753,428.10
  6. Step 6: Final answer
    x = 382,188.15

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Similar ratio
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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.