Home / 787,097.10-1,181,520.45-432,803.10

Finding the Fourth Proportional to 787,097.10, 1,181,520.45 and 432,803.10

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Solution

The fourth proportional to 787,097.10, 1,181,520.45 and 432,803.10 is: 649,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,097.10 : 1,181,520.45 = 432,803.10 : x
  2. Step 2: Convert to fraction form
    787,097.10/1,181,520.45 = 432,803.10/x
  3. Step 3: Cross multiply
    787,097.10x = 1,181,520.45 × 432,803.10
  4. Step 4: Simplify right side
    787,097.10x = 511,365,713,473.40
  5. Step 5: Solve for x
    x = 511,365,713,473.40/787,097.10
  6. Step 6: Final answer
    x = 649,685.68

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Double scale
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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.