Home / 497,619.40-746,429.10-123,642.40

Finding the Fourth Proportional to 497,619.40, 746,429.10 and 123,642.40

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Solution

The fourth proportional to 497,619.40, 746,429.10 and 123,642.40 is: 185,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,619.40 : 746,429.10 = 123,642.40 : x
  2. Step 2: Convert to fraction form
    497,619.40/746,429.10 = 123,642.40/x
  3. Step 3: Cross multiply
    497,619.40x = 746,429.10 × 123,642.40
  4. Step 4: Simplify right side
    497,619.40x = 92,290,285,353.84
  5. Step 5: Solve for x
    x = 92,290,285,353.84/497,619.40
  6. Step 6: Final answer
    x = 185,463.60

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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.