Home / 382,724.20-527,931.30-297,706.60

Finding the Fourth Proportional to 382,724.20, 527,931.30 and 297,706.60

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Solution

The fourth proportional to 382,724.20, 527,931.30 and 297,706.60 is: 410,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,724.20 : 527,931.30 = 297,706.60 : x
  2. Step 2: Convert to fraction form
    382,724.20/527,931.30 = 297,706.60/x
  3. Step 3: Cross multiply
    382,724.20x = 527,931.30 × 297,706.60
  4. Step 4: Simplify right side
    382,724.20x = 157,168,632,356.58
  5. Step 5: Solve for x
    x = 157,168,632,356.58/382,724.20
  6. Step 6: Final answer
    x = 410,657.68

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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.