Home / 992,734.47-1,488,586.46-487,074.15

Finding the Fourth Proportional to 992,734.47, 1,488,586.46 and 487,074.15

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Solution

The fourth proportional to 992,734.47, 1,488,586.46 and 487,074.15 is: 730,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,734.47 : 1,488,586.46 = 487,074.15 : x
  2. Step 2: Convert to fraction form
    992,734.47/1,488,586.46 = 487,074.15/x
  3. Step 3: Cross multiply
    992,734.47x = 1,488,586.46 × 487,074.15
  4. Step 4: Simplify right side
    992,734.47x = 725,051,982,270.64
  5. Step 5: Solve for x
    x = 725,051,982,270.64/992,734.47
  6. Step 6: Final answer
    x = 730,358.42

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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.