Home / 886,872.10-1,330,502.55-287,731.30

Finding the Fourth Proportional to 886,872.10, 1,330,502.55 and 287,731.30

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Solution

The fourth proportional to 886,872.10, 1,330,502.55 and 287,731.30 is: 431,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,872.10 : 1,330,502.55 = 287,731.30 : x
  2. Step 2: Convert to fraction form
    886,872.10/1,330,502.55 = 287,731.30/x
  3. Step 3: Cross multiply
    886,872.10x = 1,330,502.55 × 287,731.30
  4. Step 4: Simplify right side
    886,872.10x = 382,827,228,364.82
  5. Step 5: Solve for x
    x = 382,827,228,364.82/886,872.10
  6. Step 6: Final answer
    x = 431,660.02

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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.