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Finding the Fourth Proportional to 536,659.27, 740,574.13 and 307,208.95

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Solution

The fourth proportional to 536,659.27, 740,574.13 and 307,208.95 is: 423,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,659.27 : 740,574.13 = 307,208.95 : x
  2. Step 2: Convert to fraction form
    536,659.27/740,574.13 = 307,208.95/x
  3. Step 3: Cross multiply
    536,659.27x = 740,574.13 × 307,208.95
  4. Step 4: Simplify right side
    536,659.27x = 227,511,000,874.46
  5. Step 5: Solve for x
    x = 227,511,000,874.46/536,659.27
  6. Step 6: Final answer
    x = 423,939.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.