Home / 988,408.59-1,482,051.15-389,044.95

Finding the Fourth Proportional to 988,408.59, 1,482,051.15 and 389,044.95

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Solution

The fourth proportional to 988,408.59, 1,482,051.15 and 389,044.95 is: 583,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,408.59 : 1,482,051.15 = 389,044.95 : x
  2. Step 2: Convert to fraction form
    988,408.59/1,482,051.15 = 389,044.95/x
  3. Step 3: Cross multiply
    988,408.59x = 1,482,051.15 × 389,044.95
  4. Step 4: Simplify right side
    988,408.59x = 576,584,515,549.19
  5. Step 5: Solve for x
    x = 576,584,515,549.19/988,408.59
  6. Step 6: Final answer
    x = 583,346.32

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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.