Home / 715,605.08-1,073,407.62-266,314.28

Finding the Fourth Proportional to 715,605.08, 1,073,407.62 and 266,314.28

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Solution

The fourth proportional to 715,605.08, 1,073,407.62 and 266,314.28 is: 399,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,605.08 : 1,073,407.62 = 266,314.28 : x
  2. Step 2: Convert to fraction form
    715,605.08/1,073,407.62 = 266,314.28/x
  3. Step 3: Cross multiply
    715,605.08x = 1,073,407.62 × 266,314.28
  4. Step 4: Simplify right side
    715,605.08x = 285,863,772,099.78
  5. Step 5: Solve for x
    x = 285,863,772,099.78/715,605.08
  6. Step 6: Final answer
    x = 399,471.42

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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.