Home / 847,099.38-1,270,276.07-397,947.90

Finding the Fourth Proportional to 847,099.38, 1,270,276.07 and 397,947.90

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Solution

The fourth proportional to 847,099.38, 1,270,276.07 and 397,947.90 is: 596,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,099.38 : 1,270,276.07 = 397,947.90 : x
  2. Step 2: Convert to fraction form
    847,099.38/1,270,276.07 = 397,947.90/x
  3. Step 3: Cross multiply
    847,099.38x = 1,270,276.07 × 397,947.90
  4. Step 4: Simplify right side
    847,099.38x = 505,503,692,487.01
  5. Step 5: Solve for x
    x = 505,503,692,487.01/847,099.38
  6. Step 6: Final answer
    x = 596,746.62

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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.