Home / 728,367.04-1,092,537.60-278,966.08

Finding the Fourth Proportional to 728,367.04, 1,092,537.60 and 278,966.08

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Solution

The fourth proportional to 728,367.04, 1,092,537.60 and 278,966.08 is: 418,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,367.04 : 1,092,537.60 = 278,966.08 : x
  2. Step 2: Convert to fraction form
    728,367.04/1,092,537.60 = 278,966.08/x
  3. Step 3: Cross multiply
    728,367.04x = 1,092,537.60 × 278,966.08
  4. Step 4: Simplify right side
    728,367.04x = 304,780,931,524.61
  5. Step 5: Solve for x
    x = 304,780,931,524.61/728,367.04
  6. Step 6: Final answer
    x = 418,444.16

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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.