Home / 876,834.60-1,315,251.90-593,399.40

Finding the Fourth Proportional to 876,834.60, 1,315,251.90 and 593,399.40

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Solution

The fourth proportional to 876,834.60, 1,315,251.90 and 593,399.40 is: 890,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,834.60 : 1,315,251.90 = 593,399.40 : x
  2. Step 2: Convert to fraction form
    876,834.60/1,315,251.90 = 593,399.40/x
  3. Step 3: Cross multiply
    876,834.60x = 1,315,251.90 × 593,399.40
  4. Step 4: Simplify right side
    876,834.60x = 780,469,688,308.86
  5. Step 5: Solve for x
    x = 780,469,688,308.86/876,834.60
  6. Step 6: Final answer
    x = 890,099.10

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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.