Home / 808,046.78-1,115,113.16-445,483.62

Finding the Fourth Proportional to 808,046.78, 1,115,113.16 and 445,483.62

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Solution

The fourth proportional to 808,046.78, 1,115,113.16 and 445,483.62 is: 614,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,046.78 : 1,115,113.16 = 445,483.62 : x
  2. Step 2: Convert to fraction form
    808,046.78/1,115,113.16 = 445,483.62/x
  3. Step 3: Cross multiply
    808,046.78x = 1,115,113.16 × 445,483.62
  4. Step 4: Simplify right side
    808,046.78x = 496,764,648,340.15
  5. Step 5: Solve for x
    x = 496,764,648,340.15/808,046.78
  6. Step 6: Final answer
    x = 614,772.14

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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.