Home / 955,477.20-1,432,985.22-281,375.40

Finding the Fourth Proportional to 955,477.20, 1,432,985.22 and 281,375.40

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Solution

The fourth proportional to 955,477.20, 1,432,985.22 and 281,375.40 is: 421,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,477.20 : 1,432,985.22 = 281,375.40 : x
  2. Step 2: Convert to fraction form
    955,477.20/1,432,985.22 = 281,375.40/x
  3. Step 3: Cross multiply
    955,477.20x = 1,432,985.22 × 281,375.40
  4. Step 4: Simplify right side
    955,477.20x = 403,206,789,471.59
  5. Step 5: Solve for x
    x = 403,206,789,471.59/955,477.20
  6. Step 6: Final answer
    x = 421,995.20

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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.