Home / 627,200.02-865,531.24-340,722.15

Finding the Fourth Proportional to 627,200.02, 865,531.24 and 340,722.15

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Solution

The fourth proportional to 627,200.02, 865,531.24 and 340,722.15 is: 470,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,200.02 : 865,531.24 = 340,722.15 : x
  2. Step 2: Convert to fraction form
    627,200.02/865,531.24 = 340,722.15/x
  3. Step 3: Cross multiply
    627,200.02x = 865,531.24 × 340,722.15
  4. Step 4: Simplify right side
    627,200.02x = 294,905,664,984.97
  5. Step 5: Solve for x
    x = 294,905,664,984.97/627,200.02
  6. Step 6: Final answer
    x = 470,193.97

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1.5x scale

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.