Home / 951,207.68-1,312,666.28-521,478.58

Finding the Fourth Proportional to 951,207.68, 1,312,666.28 and 521,478.58

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Solution

The fourth proportional to 951,207.68, 1,312,666.28 and 521,478.58 is: 719,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,207.68 : 1,312,666.28 = 521,478.58 : x
  2. Step 2: Convert to fraction form
    951,207.68/1,312,666.28 = 521,478.58/x
  3. Step 3: Cross multiply
    951,207.68x = 1,312,666.28 × 521,478.58
  4. Step 4: Simplify right side
    951,207.68x = 684,527,347,708.28
  5. Step 5: Solve for x
    x = 684,527,347,708.28/951,207.68
  6. Step 6: Final answer
    x = 719,640.27

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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.