Home / 807,730.71-1,114,618.29-445,134.33

Finding the Fourth Proportional to 807,730.71, 1,114,618.29 and 445,134.33

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Solution

The fourth proportional to 807,730.71, 1,114,618.29 and 445,134.33 is: 614,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,730.71 : 1,114,618.29 = 445,134.33 : x
  2. Step 2: Convert to fraction form
    807,730.71/1,114,618.29 = 445,134.33/x
  3. Step 3: Cross multiply
    807,730.71x = 1,114,618.29 × 445,134.33
  4. Step 4: Simplify right side
    807,730.71x = 496,154,865,724.90
  5. Step 5: Solve for x
    x = 496,154,865,724.90/807,730.71
  6. Step 6: Final answer
    x = 614,257.77

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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.