Home / 955,009.87-1,432,359.11-280,933.53

Finding the Fourth Proportional to 955,009.87, 1,432,359.11 and 280,933.53

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Solution

The fourth proportional to 955,009.87, 1,432,359.11 and 280,933.53 is: 421,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,009.87 : 1,432,359.11 = 280,933.53 : x
  2. Step 2: Convert to fraction form
    955,009.87/1,432,359.11 = 280,933.53/x
  3. Step 3: Cross multiply
    955,009.87x = 1,432,359.11 × 280,933.53
  4. Step 4: Simplify right side
    955,009.87x = 402,397,696,330.95
  5. Step 5: Solve for x
    x = 402,397,696,330.95/955,009.87
  6. Step 6: Final answer
    x = 421,354.49

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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.