Home / 828,004.10-1,242,006.15-576,061.70

Finding the Fourth Proportional to 828,004.10, 1,242,006.15 and 576,061.70

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Solution

The fourth proportional to 828,004.10, 1,242,006.15 and 576,061.70 is: 864,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,004.10 : 1,242,006.15 = 576,061.70 : x
  2. Step 2: Convert to fraction form
    828,004.10/1,242,006.15 = 576,061.70/x
  3. Step 3: Cross multiply
    828,004.10x = 1,242,006.15 × 576,061.70
  4. Step 4: Simplify right side
    828,004.10x = 715,472,174,179.46
  5. Step 5: Solve for x
    x = 715,472,174,179.46/828,004.10
  6. Step 6: Final answer
    x = 864,092.55

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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.