Home / 951,145.14-1,312,580.18-521,428.31

Finding the Fourth Proportional to 951,145.14, 1,312,580.18 and 521,428.31

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Solution

The fourth proportional to 951,145.14, 1,312,580.18 and 521,428.31 is: 719,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,145.14 : 1,312,580.18 = 521,428.31 : x
  2. Step 2: Convert to fraction form
    951,145.14/1,312,580.18 = 521,428.31/x
  3. Step 3: Cross multiply
    951,145.14x = 1,312,580.18 × 521,428.31
  4. Step 4: Simplify right side
    951,145.14x = 684,416,459,737.57
  5. Step 5: Solve for x
    x = 684,416,459,737.57/951,145.14
  6. Step 6: Final answer
    x = 719,571.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.