Home / 807,750.30-1,114,690.23-445,174.50

Finding the Fourth Proportional to 807,750.30, 1,114,690.23 and 445,174.50

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Solution

The fourth proportional to 807,750.30, 1,114,690.23 and 445,174.50 is: 614,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,750.30 : 1,114,690.23 = 445,174.50 : x
  2. Step 2: Convert to fraction form
    807,750.30/1,114,690.23 = 445,174.50/x
  3. Step 3: Cross multiply
    807,750.30x = 1,114,690.23 × 445,174.50
  4. Step 4: Simplify right side
    807,750.30x = 496,231,665,795.14
  5. Step 5: Solve for x
    x = 496,231,665,795.14/807,750.30
  6. Step 6: Final answer
    x = 614,337.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.