Home / 627,207.48-865,547.06-340,727.56

Finding the Fourth Proportional to 627,207.48, 865,547.06 and 340,727.56

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Solution

The fourth proportional to 627,207.48, 865,547.06 and 340,727.56 is: 470,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,207.48 : 865,547.06 = 340,727.56 : x
  2. Step 2: Convert to fraction form
    627,207.48/865,547.06 = 340,727.56/x
  3. Step 3: Cross multiply
    627,207.48x = 865,547.06 × 340,727.56
  4. Step 4: Simplify right side
    627,207.48x = 294,915,737,818.97
  5. Step 5: Solve for x
    x = 294,915,737,818.97/627,207.48
  6. Step 6: Final answer
    x = 470,204.43

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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.