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Finding the Fourth Proportional to 552,331.86, 762,210.68 and 310,614.36

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Solution

The fourth proportional to 552,331.86, 762,210.68 and 310,614.36 is: 428,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,331.86 : 762,210.68 = 310,614.36 : x
  2. Step 2: Convert to fraction form
    552,331.86/762,210.68 = 310,614.36/x
  3. Step 3: Cross multiply
    552,331.86x = 762,210.68 × 310,614.36
  4. Step 4: Simplify right side
    552,331.86x = 236,753,582,553.37
  5. Step 5: Solve for x
    x = 236,753,582,553.37/552,331.86
  6. Step 6: Final answer
    x = 428,643.72

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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.