Home / 627,486.32-865,951.92-369,316.44

Finding the Fourth Proportional to 627,486.32, 865,951.92 and 369,316.44

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Solution

The fourth proportional to 627,486.32, 865,951.92 and 369,316.44 is: 509,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,486.32 : 865,951.92 = 369,316.44 : x
  2. Step 2: Convert to fraction form
    627,486.32/865,951.92 = 369,316.44/x
  3. Step 3: Cross multiply
    627,486.32x = 865,951.92 × 369,316.44
  4. Step 4: Simplify right side
    627,486.32x = 319,810,280,305.57
  5. Step 5: Solve for x
    x = 319,810,280,305.57/627,486.32
  6. Step 6: Final answer
    x = 509,668.93

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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.