Home / 992,535.17-1,488,001.22-385,009.81

Finding the Fourth Proportional to 992,535.17, 1,488,001.22 and 385,009.81

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Solution

The fourth proportional to 992,535.17, 1,488,001.22 and 385,009.81 is: 577,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,535.17 : 1,488,001.22 = 385,009.81 : x
  2. Step 2: Convert to fraction form
    992,535.17/1,488,001.22 = 385,009.81/x
  3. Step 3: Cross multiply
    992,535.17x = 1,488,001.22 × 385,009.81
  4. Step 4: Simplify right side
    992,535.17x = 572,895,062,790.70
  5. Step 5: Solve for x
    x = 572,895,062,790.70/992,535.17
  6. Step 6: Final answer
    x = 577,203.79

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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.