Home / 729,041.40-1,093,562.10-408,864.60

Finding the Fourth Proportional to 729,041.40, 1,093,562.10 and 408,864.60

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Solution

The fourth proportional to 729,041.40, 1,093,562.10 and 408,864.60 is: 613,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,041.40 : 1,093,562.10 = 408,864.60 : x
  2. Step 2: Convert to fraction form
    729,041.40/1,093,562.10 = 408,864.60/x
  3. Step 3: Cross multiply
    729,041.40x = 1,093,562.10 × 408,864.60
  4. Step 4: Simplify right side
    729,041.40x = 447,118,830,591.66
  5. Step 5: Solve for x
    x = 447,118,830,591.66/729,041.40
  6. Step 6: Final answer
    x = 613,296.90

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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.