Home / 886,549.76-1,330,011.46-287,464.22

Finding the Fourth Proportional to 886,549.76, 1,330,011.46 and 287,464.22

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Solution

The fourth proportional to 886,549.76, 1,330,011.46 and 287,464.22 is: 431,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,549.76 : 1,330,011.46 = 287,464.22 : x
  2. Step 2: Convert to fraction form
    886,549.76/1,330,011.46 = 287,464.22/x
  3. Step 3: Cross multiply
    886,549.76x = 1,330,011.46 × 287,464.22
  4. Step 4: Simplify right side
    886,549.76x = 382,330,706,939.96
  5. Step 5: Solve for x
    x = 382,330,706,939.96/886,549.76
  6. Step 6: Final answer
    x = 431,256.91

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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.