Home / 688,044.98-1,030,496.17-328,468.77

Finding the Fourth Proportional to 688,044.98, 1,030,496.17 and 328,468.77

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Solution

The fourth proportional to 688,044.98, 1,030,496.17 and 328,468.77 is: 491,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,044.98 : 1,030,496.17 = 328,468.77 : x
  2. Step 2: Convert to fraction form
    688,044.98/1,030,496.17 = 328,468.77/x
  3. Step 3: Cross multiply
    688,044.98x = 1,030,496.17 × 328,468.77
  4. Step 4: Simplify right side
    688,044.98x = 338,485,809,449.61
  5. Step 5: Solve for x
    x = 338,485,809,449.61/688,044.98
  6. Step 6: Final answer
    x = 491,953.03

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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.