Home / 731,148.40-1,008,977.88-408,854.80

Finding the Fourth Proportional to 731,148.40, 1,008,977.88 and 408,854.80

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Solution

The fourth proportional to 731,148.40, 1,008,977.88 and 408,854.80 is: 564,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,148.40 : 1,008,977.88 = 408,854.80 : x
  2. Step 2: Convert to fraction form
    731,148.40/1,008,977.88 = 408,854.80/x
  3. Step 3: Cross multiply
    731,148.40x = 1,008,977.88 × 408,854.80
  4. Step 4: Simplify right side
    731,148.40x = 412,525,449,331.82
  5. Step 5: Solve for x
    x = 412,525,449,331.82/731,148.40
  6. Step 6: Final answer
    x = 564,215.76

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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.