Home / 955,010.81-1,432,360.49-280,934.43

Finding the Fourth Proportional to 955,010.81, 1,432,360.49 and 280,934.43

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Solution

The fourth proportional to 955,010.81, 1,432,360.49 and 280,934.43 is: 421,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,010.81 : 1,432,360.49 = 280,934.43 : x
  2. Step 2: Convert to fraction form
    955,010.81/1,432,360.49 = 280,934.43/x
  3. Step 3: Cross multiply
    955,010.81x = 1,432,360.49 × 280,934.43
  4. Step 4: Simplify right side
    955,010.81x = 402,399,376,408.00
  5. Step 5: Solve for x
    x = 402,399,376,408.00/955,010.81
  6. Step 6: Final answer
    x = 421,355.84

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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.