Home / 755,093.52-1,042,248.60-449,384.40

Finding the Fourth Proportional to 755,093.52, 1,042,248.60 and 449,384.40

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Solution

The fourth proportional to 755,093.52, 1,042,248.60 and 449,384.40 is: 620,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,093.52 : 1,042,248.60 = 449,384.40 : x
  2. Step 2: Convert to fraction form
    755,093.52/1,042,248.60 = 449,384.40/x
  3. Step 3: Cross multiply
    755,093.52x = 1,042,248.60 × 449,384.40
  4. Step 4: Simplify right side
    755,093.52x = 468,370,261,761.84
  5. Step 5: Solve for x
    x = 468,370,261,761.84/755,093.52
  6. Step 6: Final answer
    x = 620,281.13

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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.