Home / 886,988.44-1,330,463.80-287,948.76

Finding the Fourth Proportional to 886,988.44, 1,330,463.80 and 287,948.76

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Solution

The fourth proportional to 886,988.44, 1,330,463.80 and 287,948.76 is: 431,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,988.44 : 1,330,463.80 = 287,948.76 : x
  2. Step 2: Convert to fraction form
    886,988.44/1,330,463.80 = 287,948.76/x
  3. Step 3: Cross multiply
    886,988.44x = 1,330,463.80 × 287,948.76
  4. Step 4: Simplify right side
    886,988.44x = 383,105,401,434.89
  5. Step 5: Solve for x
    x = 383,105,401,434.89/886,988.44
  6. Step 6: Final answer
    x = 431,917.02

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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.