Home / 885,718.88-1,327,787.12-345,849.55

Finding the Fourth Proportional to 885,718.88, 1,327,787.12 and 345,849.55

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Solution

The fourth proportional to 885,718.88, 1,327,787.12 and 345,849.55 is: 518,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,718.88 : 1,327,787.12 = 345,849.55 : x
  2. Step 2: Convert to fraction form
    885,718.88/1,327,787.12 = 345,849.55/x
  3. Step 3: Cross multiply
    885,718.88x = 1,327,787.12 × 345,849.55
  4. Step 4: Simplify right side
    885,718.88x = 459,214,580,717.26
  5. Step 5: Solve for x
    x = 459,214,580,717.26/885,718.88
  6. Step 6: Final answer
    x = 518,465.39

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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.