Home / 992,819.55-1,488,983.29-282,853.74

Finding the Fourth Proportional to 992,819.55, 1,488,983.29 and 282,853.74

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Solution

The fourth proportional to 992,819.55, 1,488,983.29 and 282,853.74 is: 424,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,819.55 : 1,488,983.29 = 282,853.74 : x
  2. Step 2: Convert to fraction form
    992,819.55/1,488,983.29 = 282,853.74/x
  3. Step 3: Cross multiply
    992,819.55x = 1,488,983.29 × 282,853.74
  4. Step 4: Simplify right side
    992,819.55x = 421,164,492,374.01
  5. Step 5: Solve for x
    x = 421,164,492,374.01/992,819.55
  6. Step 6: Final answer
    x = 424,210.51

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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.