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Finding the Fourth Proportional to 671,385.03, 926,523.12 and 365,470.20

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Solution

The fourth proportional to 671,385.03, 926,523.12 and 365,470.20 is: 504,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,385.03 : 926,523.12 = 365,470.20 : x
  2. Step 2: Convert to fraction form
    671,385.03/926,523.12 = 365,470.20/x
  3. Step 3: Cross multiply
    671,385.03x = 926,523.12 × 365,470.20
  4. Step 4: Simplify right side
    671,385.03x = 338,616,591,341.54
  5. Step 5: Solve for x
    x = 338,616,591,341.54/671,385.03
  6. Step 6: Final answer
    x = 504,355.29

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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.