Home / 723,082.61-997,852.28-396,395.04

Finding the Fourth Proportional to 723,082.61, 997,852.28 and 396,395.04

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Solution

The fourth proportional to 723,082.61, 997,852.28 and 396,395.04 is: 547,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,082.61 : 997,852.28 = 396,395.04 : x
  2. Step 2: Convert to fraction form
    723,082.61/997,852.28 = 396,395.04/x
  3. Step 3: Cross multiply
    723,082.61x = 997,852.28 × 396,395.04
  4. Step 4: Simplify right side
    723,082.61x = 395,543,692,462.72
  5. Step 5: Solve for x
    x = 395,543,692,462.72/723,082.61
  6. Step 6: Final answer
    x = 547,024.21

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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.