Home / 730,833.80-1,096,250.70-478,891.40

Finding the Fourth Proportional to 730,833.80, 1,096,250.70 and 478,891.40

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Solution

The fourth proportional to 730,833.80, 1,096,250.70 and 478,891.40 is: 718,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,833.80 : 1,096,250.70 = 478,891.40 : x
  2. Step 2: Convert to fraction form
    730,833.80/1,096,250.70 = 478,891.40/x
  3. Step 3: Cross multiply
    730,833.80x = 1,096,250.70 × 478,891.40
  4. Step 4: Simplify right side
    730,833.80x = 524,985,032,473.98
  5. Step 5: Solve for x
    x = 524,985,032,473.98/730,833.80
  6. Step 6: Final answer
    x = 718,337.10

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Double scale
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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.