Home / 631,988.45-947,789.88-332,306.45

Finding the Fourth Proportional to 631,988.45, 947,789.88 and 332,306.45

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Solution

The fourth proportional to 631,988.45, 947,789.88 and 332,306.45 is: 498,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,988.45 : 947,789.88 = 332,306.45 : x
  2. Step 2: Convert to fraction form
    631,988.45/947,789.88 = 332,306.45/x
  3. Step 3: Cross multiply
    631,988.45x = 947,789.88 × 332,306.45
  4. Step 4: Simplify right side
    631,988.45x = 314,956,690,368.73
  5. Step 5: Solve for x
    x = 314,956,690,368.73/631,988.45
  6. Step 6: Final answer
    x = 498,358.30

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Double scale
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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.