Home / 669,891.30-1,003,670.55-576,579.30

Finding the Fourth Proportional to 669,891.30, 1,003,670.55 and 576,579.30

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Solution

The fourth proportional to 669,891.30, 1,003,670.55 and 576,579.30 is: 863,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,891.30 : 1,003,670.55 = 576,579.30 : x
  2. Step 2: Convert to fraction form
    669,891.30/1,003,670.55 = 576,579.30/x
  3. Step 3: Cross multiply
    669,891.30x = 1,003,670.55 × 576,579.30
  4. Step 4: Simplify right side
    669,891.30x = 578,695,663,149.62
  5. Step 5: Solve for x
    x = 578,695,663,149.62/669,891.30
  6. Step 6: Final answer
    x = 863,865.02

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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.