Home / 787,095.10-1,181,517.45-432,801.10

Finding the Fourth Proportional to 787,095.10, 1,181,517.45 and 432,801.10

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Solution

The fourth proportional to 787,095.10, 1,181,517.45 and 432,801.10 is: 649,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,095.10 : 1,181,517.45 = 432,801.10 : x
  2. Step 2: Convert to fraction form
    787,095.10/1,181,517.45 = 432,801.10/x
  3. Step 3: Cross multiply
    787,095.10x = 1,181,517.45 × 432,801.10
  4. Step 4: Simplify right side
    787,095.10x = 511,362,052,029.20
  5. Step 5: Solve for x
    x = 511,362,052,029.20/787,095.10
  6. Step 6: Final answer
    x = 649,682.68

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Double scale
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Similar ratio
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1.5x scale

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.