Home / 951,679.53-1,313,324.28-521,962.74

Finding the Fourth Proportional to 951,679.53, 1,313,324.28 and 521,962.74

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Solution

The fourth proportional to 951,679.53, 1,313,324.28 and 521,962.74 is: 720,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,679.53 : 1,313,324.28 = 521,962.74 : x
  2. Step 2: Convert to fraction form
    951,679.53/1,313,324.28 = 521,962.74/x
  3. Step 3: Cross multiply
    951,679.53x = 1,313,324.28 × 521,962.74
  4. Step 4: Simplify right side
    951,679.53x = 685,506,339,697.33
  5. Step 5: Solve for x
    x = 685,506,339,697.33/951,679.53
  6. Step 6: Final answer
    x = 720,312.16

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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.