Home / 886,733.50-1,330,287.06-287,647.90

Finding the Fourth Proportional to 886,733.50, 1,330,287.06 and 287,647.90

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Solution

The fourth proportional to 886,733.50, 1,330,287.06 and 287,647.90 is: 431,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,733.50 : 1,330,287.06 = 287,647.90 : x
  2. Step 2: Convert to fraction form
    886,733.50/1,330,287.06 = 287,647.90/x
  3. Step 3: Cross multiply
    886,733.50x = 1,330,287.06 × 287,647.90
  4. Step 4: Simplify right side
    886,733.50x = 382,654,279,206.17
  5. Step 5: Solve for x
    x = 382,654,279,206.17/886,733.50
  6. Step 6: Final answer
    x = 431,532.45

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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.