Home / 702,543.75-1,053,815.63-259,311.75

Finding the Fourth Proportional to 702,543.75, 1,053,815.63 and 259,311.75

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Solution

The fourth proportional to 702,543.75, 1,053,815.63 and 259,311.75 is: 388,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,543.75 : 1,053,815.63 = 259,311.75 : x
  2. Step 2: Convert to fraction form
    702,543.75/1,053,815.63 = 259,311.75/x
  3. Step 3: Cross multiply
    702,543.75x = 1,053,815.63 × 259,311.75
  4. Step 4: Simplify right side
    702,543.75x = 273,266,775,192.65
  5. Step 5: Solve for x
    x = 273,266,775,192.65/702,543.75
  6. Step 6: Final answer
    x = 388,967.63

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Double scale
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Similar ratio
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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.