Home / 951,613.90-1,313,244.02-521,890.26

Finding the Fourth Proportional to 951,613.90, 1,313,244.02 and 521,890.26

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Solution

The fourth proportional to 951,613.90, 1,313,244.02 and 521,890.26 is: 720,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,613.90 : 1,313,244.02 = 521,890.26 : x
  2. Step 2: Convert to fraction form
    951,613.90/1,313,244.02 = 521,890.26/x
  3. Step 3: Cross multiply
    951,613.90x = 1,313,244.02 × 521,890.26
  4. Step 4: Simplify right side
    951,613.90x = 685,369,263,041.25
  5. Step 5: Solve for x
    x = 685,369,263,041.25/951,613.90
  6. Step 6: Final answer
    x = 720,217.79

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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.