Home / 728,052.40-1,091,641.20-373,758.40

Finding the Fourth Proportional to 728,052.40, 1,091,641.20 and 373,758.40

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Solution

The fourth proportional to 728,052.40, 1,091,641.20 and 373,758.40 is: 560,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,052.40 : 1,091,641.20 = 373,758.40 : x
  2. Step 2: Convert to fraction form
    728,052.40/1,091,641.20 = 373,758.40/x
  3. Step 3: Cross multiply
    728,052.40x = 1,091,641.20 × 373,758.40
  4. Step 4: Simplify right side
    728,052.40x = 408,010,068,286.08
  5. Step 5: Solve for x
    x = 408,010,068,286.08/728,052.40
  6. Step 6: Final answer
    x = 560,413.05

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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.