Home / 787,524.90-1,181,870.55-521,196.90

Finding the Fourth Proportional to 787,524.90, 1,181,870.55 and 521,196.90

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Solution

The fourth proportional to 787,524.90, 1,181,870.55 and 521,196.90 is: 782,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,524.90 : 1,181,870.55 = 521,196.90 : x
  2. Step 2: Convert to fraction form
    787,524.90/1,181,870.55 = 521,196.90/x
  3. Step 3: Cross multiply
    787,524.90x = 1,181,870.55 × 521,196.90
  4. Step 4: Simplify right side
    787,524.90x = 615,987,266,861.30
  5. Step 5: Solve for x
    x = 615,987,266,861.30/787,524.90
  6. Step 6: Final answer
    x = 782,181.32

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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.