Home / 807,607.74-1,114,506.15-445,044.57

Finding the Fourth Proportional to 807,607.74, 1,114,506.15 and 445,044.57

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Solution

The fourth proportional to 807,607.74, 1,114,506.15 and 445,044.57 is: 614,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,607.74 : 1,114,506.15 = 445,044.57 : x
  2. Step 2: Convert to fraction form
    807,607.74/1,114,506.15 = 445,044.57/x
  3. Step 3: Cross multiply
    807,607.74x = 1,114,506.15 × 445,044.57
  4. Step 4: Simplify right side
    807,607.74x = 496,004,910,289.11
  5. Step 5: Solve for x
    x = 496,004,910,289.11/807,607.74
  6. Step 6: Final answer
    x = 614,165.62

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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.