Home / 690,137.40-1,034,234.10-548,225.40

Finding the Fourth Proportional to 690,137.40, 1,034,234.10 and 548,225.40

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Solution

The fourth proportional to 690,137.40, 1,034,234.10 and 548,225.40 is: 821,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,137.40 : 1,034,234.10 = 548,225.40 : x
  2. Step 2: Convert to fraction form
    690,137.40/1,034,234.10 = 548,225.40/x
  3. Step 3: Cross multiply
    690,137.40x = 1,034,234.10 × 548,225.40
  4. Step 4: Simplify right side
    690,137.40x = 566,993,403,166.14
  5. Step 5: Solve for x
    x = 566,993,403,166.14/690,137.40
  6. Step 6: Final answer
    x = 821,565.97

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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.