Home / 690,219.30-1,035,500.68-548,598.90

Finding the Fourth Proportional to 690,219.30, 1,035,500.68 and 548,598.90

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Solution

The fourth proportional to 690,219.30, 1,035,500.68 and 548,598.90 is: 823,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,219.30 : 1,035,500.68 = 548,598.90 : x
  2. Step 2: Convert to fraction form
    690,219.30/1,035,500.68 = 548,598.90/x
  3. Step 3: Cross multiply
    690,219.30x = 1,035,500.68 × 548,598.90
  4. Step 4: Simplify right side
    690,219.30x = 568,074,533,997.25
  5. Step 5: Solve for x
    x = 568,074,533,997.25/690,219.30
  6. Step 6: Final answer
    x = 823,034.84

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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.