Home / 727,089.20-1,090,633.80-503,140.40

Finding the Fourth Proportional to 727,089.20, 1,090,633.80 and 503,140.40

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Solution

The fourth proportional to 727,089.20, 1,090,633.80 and 503,140.40 is: 754,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,089.20 : 1,090,633.80 = 503,140.40 : x
  2. Step 2: Convert to fraction form
    727,089.20/1,090,633.80 = 503,140.40/x
  3. Step 3: Cross multiply
    727,089.20x = 1,090,633.80 × 503,140.40
  4. Step 4: Simplify right side
    727,089.20x = 548,741,926,385.52
  5. Step 5: Solve for x
    x = 548,741,926,385.52/727,089.20
  6. Step 6: Final answer
    x = 754,710.60

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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.