Home / 787,527.40-1,181,874.30-521,199.40

Finding the Fourth Proportional to 787,527.40, 1,181,874.30 and 521,199.40

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Solution

The fourth proportional to 787,527.40, 1,181,874.30 and 521,199.40 is: 782,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,527.40 : 1,181,874.30 = 521,199.40 : x
  2. Step 2: Convert to fraction form
    787,527.40/1,181,874.30 = 521,199.40/x
  3. Step 3: Cross multiply
    787,527.40x = 1,181,874.30 × 521,199.40
  4. Step 4: Simplify right side
    787,527.40x = 615,992,176,035.42
  5. Step 5: Solve for x
    x = 615,992,176,035.42/787,527.40
  6. Step 6: Final answer
    x = 782,185.07

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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.