Home / 487,743.40-731,615.10-222,022.90

Finding the Fourth Proportional to 487,743.40, 731,615.10 and 222,022.90

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Solution

The fourth proportional to 487,743.40, 731,615.10 and 222,022.90 is: 333,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,743.40 : 731,615.10 = 222,022.90 : x
  2. Step 2: Convert to fraction form
    487,743.40/731,615.10 = 222,022.90/x
  3. Step 3: Cross multiply
    487,743.40x = 731,615.10 × 222,022.90
  4. Step 4: Simplify right side
    487,743.40x = 162,435,306,185.79
  5. Step 5: Solve for x
    x = 162,435,306,185.79/487,743.40
  6. Step 6: Final answer
    x = 333,034.35

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Similar ratio
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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.