Home / 626,822.49-865,091.52-368,687.12

Finding the Fourth Proportional to 626,822.49, 865,091.52 and 368,687.12

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Solution

The fourth proportional to 626,822.49, 865,091.52 and 368,687.12 is: 508,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,822.49 : 865,091.52 = 368,687.12 : x
  2. Step 2: Convert to fraction form
    626,822.49/865,091.52 = 368,687.12/x
  3. Step 3: Cross multiply
    626,822.49x = 865,091.52 × 368,687.12
  4. Step 4: Simplify right side
    626,822.49x = 318,948,096,719.77
  5. Step 5: Solve for x
    x = 318,948,096,719.77/626,822.49
  6. Step 6: Final answer
    x = 508,833.21

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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.