Home / 992,724.76-1,488,195.06-393,281.56

Finding the Fourth Proportional to 992,724.76, 1,488,195.06 and 393,281.56

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Solution

The fourth proportional to 992,724.76, 1,488,195.06 and 393,281.56 is: 589,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,724.76 : 1,488,195.06 = 393,281.56 : x
  2. Step 2: Convert to fraction form
    992,724.76/1,488,195.06 = 393,281.56/x
  3. Step 3: Cross multiply
    992,724.76x = 1,488,195.06 × 393,281.56
  4. Step 4: Simplify right side
    992,724.76x = 585,279,674,781.09
  5. Step 5: Solve for x
    x = 585,279,674,781.09/992,724.76
  6. Step 6: Final answer
    x = 589,568.93

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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.