Home / 714,424.92-985,955.70-472,287.60

Finding the Fourth Proportional to 714,424.92, 985,955.70 and 472,287.60

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Solution

The fourth proportional to 714,424.92, 985,955.70 and 472,287.60 is: 651,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,424.92 : 985,955.70 = 472,287.60 : x
  2. Step 2: Convert to fraction form
    714,424.92/985,955.70 = 472,287.60/x
  3. Step 3: Cross multiply
    714,424.92x = 985,955.70 × 472,287.60
  4. Step 4: Simplify right side
    714,424.92x = 465,654,651,259.32
  5. Step 5: Solve for x
    x = 465,654,651,259.32/714,424.92
  6. Step 6: Final answer
    x = 651,789.49

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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.