Home / 886,627.30-1,330,127.76-287,541.74

Finding the Fourth Proportional to 886,627.30, 1,330,127.76 and 287,541.74

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Solution

The fourth proportional to 886,627.30, 1,330,127.76 and 287,541.74 is: 431,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,627.30 : 1,330,127.76 = 287,541.74 : x
  2. Step 2: Convert to fraction form
    886,627.30/1,330,127.76 = 287,541.74/x
  3. Step 3: Cross multiply
    886,627.30x = 1,330,127.76 × 287,541.74
  4. Step 4: Simplify right side
    886,627.30x = 382,467,250,532.70
  5. Step 5: Solve for x
    x = 382,467,250,532.70/886,627.30
  6. Step 6: Final answer
    x = 431,373.19

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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.