Home / 684,175.20-1,026,262.80-656,181.60

Finding the Fourth Proportional to 684,175.20, 1,026,262.80 and 656,181.60

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Solution

The fourth proportional to 684,175.20, 1,026,262.80 and 656,181.60 is: 984,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,175.20 : 1,026,262.80 = 656,181.60 : x
  2. Step 2: Convert to fraction form
    684,175.20/1,026,262.80 = 656,181.60/x
  3. Step 3: Cross multiply
    684,175.20x = 1,026,262.80 × 656,181.60
  4. Step 4: Simplify right side
    684,175.20x = 673,414,766,124.48
  5. Step 5: Solve for x
    x = 673,414,766,124.48/684,175.20
  6. Step 6: Final answer
    x = 984,272.40

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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.