Home / 813,158.28-1,122,174.66-473,648.40

Finding the Fourth Proportional to 813,158.28, 1,122,174.66 and 473,648.40

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Solution

The fourth proportional to 813,158.28, 1,122,174.66 and 473,648.40 is: 653,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,158.28 : 1,122,174.66 = 473,648.40 : x
  2. Step 2: Convert to fraction form
    813,158.28/1,122,174.66 = 473,648.40/x
  3. Step 3: Cross multiply
    813,158.28x = 1,122,174.66 × 473,648.40
  4. Step 4: Simplify right side
    813,158.28x = 531,516,232,229.54
  5. Step 5: Solve for x
    x = 531,516,232,229.54/813,158.28
  6. Step 6: Final answer
    x = 653,644.25

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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.