Home / 998,636.17-1,497,965.19-288,670.36

Finding the Fourth Proportional to 998,636.17, 1,497,965.19 and 288,670.36

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Solution

The fourth proportional to 998,636.17, 1,497,965.19 and 288,670.36 is: 433,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,636.17 : 1,497,965.19 = 288,670.36 : x
  2. Step 2: Convert to fraction form
    998,636.17/1,497,965.19 = 288,670.36/x
  3. Step 3: Cross multiply
    998,636.17x = 1,497,965.19 × 288,670.36
  4. Step 4: Simplify right side
    998,636.17x = 432,418,143,174.94
  5. Step 5: Solve for x
    x = 432,418,143,174.94/998,636.17
  6. Step 6: Final answer
    x = 433,008.70

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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.