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Finding the Fourth Proportional to 527,646.12, 791,148.24 and 207,414.24

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Solution

The fourth proportional to 527,646.12, 791,148.24 and 207,414.24 is: 310,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,646.12 : 791,148.24 = 207,414.24 : x
  2. Step 2: Convert to fraction form
    527,646.12/791,148.24 = 207,414.24/x
  3. Step 3: Cross multiply
    527,646.12x = 791,148.24 × 207,414.24
  4. Step 4: Simplify right side
    527,646.12x = 164,095,410,926.94
  5. Step 5: Solve for x
    x = 164,095,410,926.94/527,646.12
  6. Step 6: Final answer
    x = 310,995.20

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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.