Home / 722,526.39-997,073.91-400,229.69

Finding the Fourth Proportional to 722,526.39, 997,073.91 and 400,229.69

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Solution

The fourth proportional to 722,526.39, 997,073.91 and 400,229.69 is: 552,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,526.39 : 997,073.91 = 400,229.69 : x
  2. Step 2: Convert to fraction form
    722,526.39/997,073.91 = 400,229.69/x
  3. Step 3: Cross multiply
    722,526.39x = 997,073.91 × 400,229.69
  4. Step 4: Simplify right side
    722,526.39x = 399,058,576,921.02
  5. Step 5: Solve for x
    x = 399,058,576,921.02/722,526.39
  6. Step 6: Final answer
    x = 552,310.04

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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.