Home / 662,422.20-993,687.30-283,345.80

Finding the Fourth Proportional to 662,422.20, 993,687.30 and 283,345.80

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Solution

The fourth proportional to 662,422.20, 993,687.30 and 283,345.80 is: 425,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,422.20 : 993,687.30 = 283,345.80 : x
  2. Step 2: Convert to fraction form
    662,422.20/993,687.30 = 283,345.80/x
  3. Step 3: Cross multiply
    662,422.20x = 993,687.30 × 283,345.80
  4. Step 4: Simplify right side
    662,422.20x = 281,557,122,968.34
  5. Step 5: Solve for x
    x = 281,557,122,968.34/662,422.20
  6. Step 6: Final answer
    x = 425,041.80

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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.