Home / 627,217.40-865,561.04-340,737.74

Finding the Fourth Proportional to 627,217.40, 865,561.04 and 340,737.74

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Solution

The fourth proportional to 627,217.40, 865,561.04 and 340,737.74 is: 470,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,217.40 : 865,561.04 = 340,737.74 : x
  2. Step 2: Convert to fraction form
    627,217.40/865,561.04 = 340,737.74/x
  3. Step 3: Cross multiply
    627,217.40x = 865,561.04 × 340,737.74
  4. Step 4: Simplify right side
    627,217.40x = 294,929,306,570.16
  5. Step 5: Solve for x
    x = 294,929,306,570.16/627,217.40
  6. Step 6: Final answer
    x = 470,218.63

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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.