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Finding the Fourth Proportional to 508,602.80, 763,341.60 and 224,730.20

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Solution

The fourth proportional to 508,602.80, 763,341.60 and 224,730.20 is: 337,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,602.80 : 763,341.60 = 224,730.20 : x
  2. Step 2: Convert to fraction form
    508,602.80/763,341.60 = 224,730.20/x
  3. Step 3: Cross multiply
    508,602.80x = 763,341.60 × 224,730.20
  4. Step 4: Simplify right side
    508,602.80x = 171,545,910,436.32
  5. Step 5: Solve for x
    x = 171,545,910,436.32/508,602.80
  6. Step 6: Final answer
    x = 337,288.57

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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.