Home / 688,252.73-949,940.55-382,434.18

Finding the Fourth Proportional to 688,252.73, 949,940.55 and 382,434.18

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Solution

The fourth proportional to 688,252.73, 949,940.55 and 382,434.18 is: 527,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,252.73 : 949,940.55 = 382,434.18 : x
  2. Step 2: Convert to fraction form
    688,252.73/949,940.55 = 382,434.18/x
  3. Step 3: Cross multiply
    688,252.73x = 949,940.55 × 382,434.18
  4. Step 4: Simplify right side
    688,252.73x = 363,289,735,288.00
  5. Step 5: Solve for x
    x = 363,289,735,288.00/688,252.73
  6. Step 6: Final answer
    x = 527,843.51

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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.