Home / 970,691.76-1,339,555.68-540,962.16

Finding the Fourth Proportional to 970,691.76, 1,339,555.68 and 540,962.16

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Solution

The fourth proportional to 970,691.76, 1,339,555.68 and 540,962.16 is: 746,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,691.76 : 1,339,555.68 = 540,962.16 : x
  2. Step 2: Convert to fraction form
    970,691.76/1,339,555.68 = 540,962.16/x
  3. Step 3: Cross multiply
    970,691.76x = 1,339,555.68 × 540,962.16
  4. Step 4: Simplify right side
    970,691.76x = 724,648,934,093.07
  5. Step 5: Solve for x
    x = 724,648,934,093.07/970,691.76
  6. Step 6: Final answer
    x = 746,528.37

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1.5x scale

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.