Home / 992,238.68-1,488,331.14-282,315.48

Finding the Fourth Proportional to 992,238.68, 1,488,331.14 and 282,315.48

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Solution

The fourth proportional to 992,238.68, 1,488,331.14 and 282,315.48 is: 423,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,238.68 : 1,488,331.14 = 282,315.48 : x
  2. Step 2: Convert to fraction form
    992,238.68/1,488,331.14 = 282,315.48/x
  3. Step 3: Cross multiply
    992,238.68x = 1,488,331.14 × 282,315.48
  4. Step 4: Simplify right side
    992,238.68x = 420,178,920,188.05
  5. Step 5: Solve for x
    x = 420,178,920,188.05/992,238.68
  6. Step 6: Final answer
    x = 423,465.57

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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.