Home / 711,176.74-1,066,766.19-290,452.61

Finding the Fourth Proportional to 711,176.74, 1,066,766.19 and 290,452.61

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Solution

The fourth proportional to 711,176.74, 1,066,766.19 and 290,452.61 is: 435,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,176.74 : 1,066,766.19 = 290,452.61 : x
  2. Step 2: Convert to fraction form
    711,176.74/1,066,766.19 = 290,452.61/x
  3. Step 3: Cross multiply
    711,176.74x = 1,066,766.19 × 290,452.61
  4. Step 4: Simplify right side
    711,176.74x = 309,845,025,722.97
  5. Step 5: Solve for x
    x = 309,845,025,722.97/711,176.74
  6. Step 6: Final answer
    x = 435,679.36

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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.