Home / 646,916.80-970,375.20-610,175.20

Finding the Fourth Proportional to 646,916.80, 970,375.20 and 610,175.20

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Solution

The fourth proportional to 646,916.80, 970,375.20 and 610,175.20 is: 915,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,916.80 : 970,375.20 = 610,175.20 : x
  2. Step 2: Convert to fraction form
    646,916.80/970,375.20 = 610,175.20/x
  3. Step 3: Cross multiply
    646,916.80x = 970,375.20 × 610,175.20
  4. Step 4: Simplify right side
    646,916.80x = 592,098,881,735.04
  5. Step 5: Solve for x
    x = 592,098,881,735.04/646,916.80
  6. Step 6: Final answer
    x = 915,262.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.