Home / 984,207.90-1,476,311.85-486,543.90

Finding the Fourth Proportional to 984,207.90, 1,476,311.85 and 486,543.90

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Solution

The fourth proportional to 984,207.90, 1,476,311.85 and 486,543.90 is: 729,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,207.90 : 1,476,311.85 = 486,543.90 : x
  2. Step 2: Convert to fraction form
    984,207.90/1,476,311.85 = 486,543.90/x
  3. Step 3: Cross multiply
    984,207.90x = 1,476,311.85 × 486,543.90
  4. Step 4: Simplify right side
    984,207.90x = 718,290,525,115.22
  5. Step 5: Solve for x
    x = 718,290,525,115.22/984,207.90
  6. Step 6: Final answer
    x = 729,815.85

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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.