Home / 886,895.40-1,330,671.15-287,876.10

Finding the Fourth Proportional to 886,895.40, 1,330,671.15 and 287,876.10

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Solution

The fourth proportional to 886,895.40, 1,330,671.15 and 287,876.10 is: 431,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,895.40 : 1,330,671.15 = 287,876.10 : x
  2. Step 2: Convert to fraction form
    886,895.40/1,330,671.15 = 287,876.10/x
  3. Step 3: Cross multiply
    886,895.40x = 1,330,671.15 × 287,876.10
  4. Step 4: Simplify right side
    886,895.40x = 383,068,421,044.52
  5. Step 5: Solve for x
    x = 383,068,421,044.52/886,895.40
  6. Step 6: Final answer
    x = 431,920.63

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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.