Home / 998,634.17-1,497,962.19-288,668.36

Finding the Fourth Proportional to 998,634.17, 1,497,962.19 and 288,668.36

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Solution

The fourth proportional to 998,634.17, 1,497,962.19 and 288,668.36 is: 433,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,634.17 : 1,497,962.19 = 288,668.36 : x
  2. Step 2: Convert to fraction form
    998,634.17/1,497,962.19 = 288,668.36/x
  3. Step 3: Cross multiply
    998,634.17x = 1,497,962.19 × 288,668.36
  4. Step 4: Simplify right side
    998,634.17x = 432,414,281,239.50
  5. Step 5: Solve for x
    x = 432,414,281,239.50/998,634.17
  6. Step 6: Final answer
    x = 433,005.70

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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.