Home / 690,145.40-1,034,246.10-548,233.40

Finding the Fourth Proportional to 690,145.40, 1,034,246.10 and 548,233.40

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Solution

The fourth proportional to 690,145.40, 1,034,246.10 and 548,233.40 is: 821,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,145.40 : 1,034,246.10 = 548,233.40 : x
  2. Step 2: Convert to fraction form
    690,145.40/1,034,246.10 = 548,233.40/x
  3. Step 3: Cross multiply
    690,145.40x = 1,034,246.10 × 548,233.40
  4. Step 4: Simplify right side
    690,145.40x = 567,008,255,839.74
  5. Step 5: Solve for x
    x = 567,008,255,839.74/690,145.40
  6. Step 6: Final answer
    x = 821,577.97

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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.