Home / 688,975.22-950,839.02-413,343.44

Finding the Fourth Proportional to 688,975.22, 950,839.02 and 413,343.44

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Solution

The fourth proportional to 688,975.22, 950,839.02 and 413,343.44 is: 570,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,975.22 : 950,839.02 = 413,343.44 : x
  2. Step 2: Convert to fraction form
    688,975.22/950,839.02 = 413,343.44/x
  3. Step 3: Cross multiply
    688,975.22x = 950,839.02 × 413,343.44
  4. Step 4: Simplify right side
    688,975.22x = 393,023,071,413.03
  5. Step 5: Solve for x
    x = 393,023,071,413.03/688,975.22
  6. Step 6: Final answer
    x = 570,445.87

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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.