Home / 813,352.62-1,220,182.38-308,064.90

Finding the Fourth Proportional to 813,352.62, 1,220,182.38 and 308,064.90

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Solution

The fourth proportional to 813,352.62, 1,220,182.38 and 308,064.90 is: 462,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,352.62 : 1,220,182.38 = 308,064.90 : x
  2. Step 2: Convert to fraction form
    813,352.62/1,220,182.38 = 308,064.90/x
  3. Step 3: Cross multiply
    813,352.62x = 1,220,182.38 × 308,064.90
  4. Step 4: Simplify right side
    813,352.62x = 375,895,362,876.46
  5. Step 5: Solve for x
    x = 375,895,362,876.46/813,352.62
  6. Step 6: Final answer
    x = 462,155.47

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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.