Home / 897,414.30-1,346,121.45-645,471.90

Finding the Fourth Proportional to 897,414.30, 1,346,121.45 and 645,471.90

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Solution

The fourth proportional to 897,414.30, 1,346,121.45 and 645,471.90 is: 968,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,414.30 : 1,346,121.45 = 645,471.90 : x
  2. Step 2: Convert to fraction form
    897,414.30/1,346,121.45 = 645,471.90/x
  3. Step 3: Cross multiply
    897,414.30x = 1,346,121.45 × 645,471.90
  4. Step 4: Simplify right side
    897,414.30x = 868,883,569,962.26
  5. Step 5: Solve for x
    x = 868,883,569,962.26/897,414.30
  6. Step 6: Final answer
    x = 968,207.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.