Home / 641,092.47-960,789.27-340,926.72

Finding the Fourth Proportional to 641,092.47, 960,789.27 and 340,926.72

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Solution

The fourth proportional to 641,092.47, 960,789.27 and 340,926.72 is: 510,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,092.47 : 960,789.27 = 340,926.72 : x
  2. Step 2: Convert to fraction form
    641,092.47/960,789.27 = 340,926.72/x
  3. Step 3: Cross multiply
    641,092.47x = 960,789.27 × 340,926.72
  4. Step 4: Simplify right side
    641,092.47x = 327,558,734,432.29
  5. Step 5: Solve for x
    x = 327,558,734,432.29/641,092.47
  6. Step 6: Final answer
    x = 510,938.36

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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.