Home / 411,432.20-616,226.70-402,216.20

Finding the Fourth Proportional to 411,432.20, 616,226.70 and 402,216.20

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Solution

The fourth proportional to 411,432.20, 616,226.70 and 402,216.20 is: 602,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,432.20 : 616,226.70 = 402,216.20 : x
  2. Step 2: Convert to fraction form
    411,432.20/616,226.70 = 402,216.20/x
  3. Step 3: Cross multiply
    411,432.20x = 616,226.70 × 402,216.20
  4. Step 4: Simplify right side
    411,432.20x = 247,856,361,612.54
  5. Step 5: Solve for x
    x = 247,856,361,612.54/411,432.20
  6. Step 6: Final answer
    x = 602,423.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.