Home / 711,373.59-1,067,060.39-290,649.47

Finding the Fourth Proportional to 711,373.59, 1,067,060.39 and 290,649.47

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Solution

The fourth proportional to 711,373.59, 1,067,060.39 and 290,649.47 is: 435,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,373.59 : 1,067,060.39 = 290,649.47 : x
  2. Step 2: Convert to fraction form
    711,373.59/1,067,060.39 = 290,649.47/x
  3. Step 3: Cross multiply
    711,373.59x = 1,067,060.39 × 290,649.47
  4. Step 4: Simplify right side
    711,373.59x = 310,140,530,022.94
  5. Step 5: Solve for x
    x = 310,140,530,022.94/711,373.59
  6. Step 6: Final answer
    x = 435,974.20

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Double scale
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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.