Home / 885,520.17-1,222,333.36-522,945.50

Finding the Fourth Proportional to 885,520.17, 1,222,333.36 and 522,945.50

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Solution

The fourth proportional to 885,520.17, 1,222,333.36 and 522,945.50 is: 721,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,520.17 : 1,222,333.36 = 522,945.50 : x
  2. Step 2: Convert to fraction form
    885,520.17/1,222,333.36 = 522,945.50/x
  3. Step 3: Cross multiply
    885,520.17x = 1,222,333.36 × 522,945.50
  4. Step 4: Simplify right side
    885,520.17x = 639,213,722,692.85
  5. Step 5: Solve for x
    x = 639,213,722,692.85/885,520.17
  6. Step 6: Final answer
    x = 721,851.12

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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.