Home / 834,498.83-1,252,262.19-328,973.78

Finding the Fourth Proportional to 834,498.83, 1,252,262.19 and 328,973.78

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Solution

The fourth proportional to 834,498.83, 1,252,262.19 and 328,973.78 is: 493,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,498.83 : 1,252,262.19 = 328,973.78 : x
  2. Step 2: Convert to fraction form
    834,498.83/1,252,262.19 = 328,973.78/x
  3. Step 3: Cross multiply
    834,498.83x = 1,252,262.19 × 328,973.78
  4. Step 4: Simplify right side
    834,498.83x = 411,961,419,934.07
  5. Step 5: Solve for x
    x = 411,961,419,934.07/834,498.83
  6. Step 6: Final answer
    x = 493,663.27

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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.