Home / 972,254.40-1,458,381.60-636,331.20

Finding the Fourth Proportional to 972,254.40, 1,458,381.60 and 636,331.20

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Solution

The fourth proportional to 972,254.40, 1,458,381.60 and 636,331.20 is: 954,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,254.40 : 1,458,381.60 = 636,331.20 : x
  2. Step 2: Convert to fraction form
    972,254.40/1,458,381.60 = 636,331.20/x
  3. Step 3: Cross multiply
    972,254.40x = 1,458,381.60 × 636,331.20
  4. Step 4: Simplify right side
    972,254.40x = 928,013,713,585.92
  5. Step 5: Solve for x
    x = 928,013,713,585.92/972,254.40
  6. Step 6: Final answer
    x = 954,496.80

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Similar ratio
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1.5x scale

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.