Home / 870,739.66-1,306,613.40-365,255.38

Finding the Fourth Proportional to 870,739.66, 1,306,613.40 and 365,255.38

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Solution

The fourth proportional to 870,739.66, 1,306,613.40 and 365,255.38 is: 548,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,739.66 : 1,306,613.40 = 365,255.38 : x
  2. Step 2: Convert to fraction form
    870,739.66/1,306,613.40 = 365,255.38/x
  3. Step 3: Cross multiply
    870,739.66x = 1,306,613.40 × 365,255.38
  4. Step 4: Simplify right side
    870,739.66x = 477,247,573,930.09
  5. Step 5: Solve for x
    x = 477,247,573,930.09/870,739.66
  6. Step 6: Final answer
    x = 548,094.45

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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.