Home / 992,314.80-1,488,472.20-519,145.20

Finding the Fourth Proportional to 992,314.80, 1,488,472.20 and 519,145.20

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Solution

The fourth proportional to 992,314.80, 1,488,472.20 and 519,145.20 is: 778,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,314.80 : 1,488,472.20 = 519,145.20 : x
  2. Step 2: Convert to fraction form
    992,314.80/1,488,472.20 = 519,145.20/x
  3. Step 3: Cross multiply
    992,314.80x = 1,488,472.20 × 519,145.20
  4. Step 4: Simplify right side
    992,314.80x = 772,733,197,963.44
  5. Step 5: Solve for x
    x = 772,733,197,963.44/992,314.80
  6. Step 6: Final answer
    x = 778,717.80

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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.