Home / 711,937.30-1,067,905.95-213,301.30

Finding the Fourth Proportional to 711,937.30, 1,067,905.95 and 213,301.30

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Solution

The fourth proportional to 711,937.30, 1,067,905.95 and 213,301.30 is: 319,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,937.30 : 1,067,905.95 = 213,301.30 : x
  2. Step 2: Convert to fraction form
    711,937.30/1,067,905.95 = 213,301.30/x
  3. Step 3: Cross multiply
    711,937.30x = 1,067,905.95 × 213,301.30
  4. Step 4: Simplify right side
    711,937.30x = 227,785,727,412.74
  5. Step 5: Solve for x
    x = 227,785,727,412.74/711,937.30
  6. Step 6: Final answer
    x = 319,951.95

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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.