Home / 787,807.40-1,182,002.70-314,832.20

Finding the Fourth Proportional to 787,807.40, 1,182,002.70 and 314,832.20

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Solution

The fourth proportional to 787,807.40, 1,182,002.70 and 314,832.20 is: 472,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,807.40 : 1,182,002.70 = 314,832.20 : x
  2. Step 2: Convert to fraction form
    787,807.40/1,182,002.70 = 314,832.20/x
  3. Step 3: Cross multiply
    787,807.40x = 1,182,002.70 × 314,832.20
  4. Step 4: Simplify right side
    787,807.40x = 372,132,510,446.94
  5. Step 5: Solve for x
    x = 372,132,510,446.94/787,807.40
  6. Step 6: Final answer
    x = 472,364.83

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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.