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Finding the Fourth Proportional to 472,359, 652,088.13 and 327,274.79

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Solution

The fourth proportional to 472,359, 652,088.13 and 327,274.79 is: 451,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,359 : 652,088.13 = 327,274.79 : x
  2. Step 2: Convert to fraction form
    472,359/652,088.13 = 327,274.79/x
  3. Step 3: Cross multiply
    472,359x = 652,088.13 × 327,274.79
  4. Step 4: Simplify right side
    472,359x = 213,412,005,807.24
  5. Step 5: Solve for x
    x = 213,412,005,807.24/472,359
  6. Step 6: Final answer
    x = 451,800.44

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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.