Home / 886,733.55-1,330,287.13-287,647.93

Finding the Fourth Proportional to 886,733.55, 1,330,287.13 and 287,647.93

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Solution

The fourth proportional to 886,733.55, 1,330,287.13 and 287,647.93 is: 431,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,733.55 : 1,330,287.13 = 287,647.93 : x
  2. Step 2: Convert to fraction form
    886,733.55/1,330,287.13 = 287,647.93/x
  3. Step 3: Cross multiply
    886,733.55x = 1,330,287.13 × 287,647.93
  4. Step 4: Simplify right side
    886,733.55x = 382,654,339,250.14
  5. Step 5: Solve for x
    x = 382,654,339,250.14/886,733.55
  6. Step 6: Final answer
    x = 431,532.49

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1.5x scale

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.