Home / 626,901.82-865,134.56-354,962.44

Finding the Fourth Proportional to 626,901.82, 865,134.56 and 354,962.44

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Solution

The fourth proportional to 626,901.82, 865,134.56 and 354,962.44 is: 489,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,901.82 : 865,134.56 = 354,962.44 : x
  2. Step 2: Convert to fraction form
    626,901.82/865,134.56 = 354,962.44/x
  3. Step 3: Cross multiply
    626,901.82x = 865,134.56 × 354,962.44
  4. Step 4: Simplify right side
    626,901.82x = 307,090,274,345.93
  5. Step 5: Solve for x
    x = 307,090,274,345.93/626,901.82
  6. Step 6: Final answer
    x = 489,853.86

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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.