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Finding the Fourth Proportional to 442,875.52, 611,251.74 and 277,380.28

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Solution

The fourth proportional to 442,875.52, 611,251.74 and 277,380.28 is: 382,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,875.52 : 611,251.74 = 277,380.28 : x
  2. Step 2: Convert to fraction form
    442,875.52/611,251.74 = 277,380.28/x
  3. Step 3: Cross multiply
    442,875.52x = 611,251.74 × 277,380.28
  4. Step 4: Simplify right side
    442,875.52x = 169,549,178,791.69
  5. Step 5: Solve for x
    x = 169,549,178,791.69/442,875.52
  6. Step 6: Final answer
    x = 382,837.10

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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.