Home / 992,320.76-1,488,973.67-393,268.66

Finding the Fourth Proportional to 992,320.76, 1,488,973.67 and 393,268.66

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Solution

The fourth proportional to 992,320.76, 1,488,973.67 and 393,268.66 is: 590,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,320.76 : 1,488,973.67 = 393,268.66 : x
  2. Step 2: Convert to fraction form
    992,320.76/1,488,973.67 = 393,268.66/x
  3. Step 3: Cross multiply
    992,320.76x = 1,488,973.67 × 393,268.66
  4. Step 4: Simplify right side
    992,320.76x = 585,566,677,974.30
  5. Step 5: Solve for x
    x = 585,566,677,974.30/992,320.76
  6. Step 6: Final answer
    x = 590,098.18

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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.