Home / 627,005.48-865,272.65-340,527.62

Finding the Fourth Proportional to 627,005.48, 865,272.65 and 340,527.62

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Solution

The fourth proportional to 627,005.48, 865,272.65 and 340,527.62 is: 469,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,005.48 : 865,272.65 = 340,527.62 : x
  2. Step 2: Convert to fraction form
    627,005.48/865,272.65 = 340,527.62/x
  3. Step 3: Cross multiply
    627,005.48x = 865,272.65 × 340,527.62
  4. Step 4: Simplify right side
    627,005.48x = 294,649,230,126.59
  5. Step 5: Solve for x
    x = 294,649,230,126.59/627,005.48
  6. Step 6: Final answer
    x = 469,930.87

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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.