Home / 813,550.10-1,220,312.19-252,585.14

Finding the Fourth Proportional to 813,550.10, 1,220,312.19 and 252,585.14

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Solution

The fourth proportional to 813,550.10, 1,220,312.19 and 252,585.14 is: 378,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,550.10 : 1,220,312.19 = 252,585.14 : x
  2. Step 2: Convert to fraction form
    813,550.10/1,220,312.19 = 252,585.14/x
  3. Step 3: Cross multiply
    813,550.10x = 1,220,312.19 × 252,585.14
  4. Step 4: Simplify right side
    813,550.10x = 308,232,725,354.86
  5. Step 5: Solve for x
    x = 308,232,725,354.86/813,550.10
  6. Step 6: Final answer
    x = 378,873.69

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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.