Home / 971,844.30-1,457,766.45-340,821.90

Finding the Fourth Proportional to 971,844.30, 1,457,766.45 and 340,821.90

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Solution

The fourth proportional to 971,844.30, 1,457,766.45 and 340,821.90 is: 511,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,844.30 : 1,457,766.45 = 340,821.90 : x
  2. Step 2: Convert to fraction form
    971,844.30/1,457,766.45 = 340,821.90/x
  3. Step 3: Cross multiply
    971,844.30x = 1,457,766.45 × 340,821.90
  4. Step 4: Simplify right side
    971,844.30x = 496,838,731,245.26
  5. Step 5: Solve for x
    x = 496,838,731,245.26/971,844.30
  6. Step 6: Final answer
    x = 511,232.85

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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.