Home / 992,498.67-1,488,107.97-424,250.46

Finding the Fourth Proportional to 992,498.67, 1,488,107.97 and 424,250.46

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Solution

The fourth proportional to 992,498.67, 1,488,107.97 and 424,250.46 is: 636,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,498.67 : 1,488,107.97 = 424,250.46 : x
  2. Step 2: Convert to fraction form
    992,498.67/1,488,107.97 = 424,250.46/x
  3. Step 3: Cross multiply
    992,498.67x = 1,488,107.97 × 424,250.46
  4. Step 4: Simplify right side
    992,498.67x = 631,330,490,802.17
  5. Step 5: Solve for x
    x = 631,330,490,802.17/992,498.67
  6. Step 6: Final answer
    x = 636,102.10

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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.