Home / 970,792.25-1,339,635.67-557,233.49

Finding the Fourth Proportional to 970,792.25, 1,339,635.67 and 557,233.49

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Solution

The fourth proportional to 970,792.25, 1,339,635.67 and 557,233.49 is: 768,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,792.25 : 1,339,635.67 = 557,233.49 : x
  2. Step 2: Convert to fraction form
    970,792.25/1,339,635.67 = 557,233.49/x
  3. Step 3: Cross multiply
    970,792.25x = 1,339,635.67 × 557,233.49
  4. Step 4: Simplify right side
    970,792.25x = 746,489,855,710.36
  5. Step 5: Solve for x
    x = 746,489,855,710.36/970,792.25
  6. Step 6: Final answer
    x = 768,949.13

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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.