Home / 870,738.66-1,306,611.90-365,254.38

Finding the Fourth Proportional to 870,738.66, 1,306,611.90 and 365,254.38

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Solution

The fourth proportional to 870,738.66, 1,306,611.90 and 365,254.38 is: 548,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,738.66 : 1,306,611.90 = 365,254.38 : x
  2. Step 2: Convert to fraction form
    870,738.66/1,306,611.90 = 365,254.38/x
  3. Step 3: Cross multiply
    870,738.66x = 1,306,611.90 × 365,254.38
  4. Step 4: Simplify right side
    870,738.66x = 477,245,719,435.12
  5. Step 5: Solve for x
    x = 477,245,719,435.12/870,738.66
  6. Step 6: Final answer
    x = 548,092.95

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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.