Home / 856,151.72-1,284,226.73-350,713.65

Finding the Fourth Proportional to 856,151.72, 1,284,226.73 and 350,713.65

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Solution

The fourth proportional to 856,151.72, 1,284,226.73 and 350,713.65 is: 526,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,151.72 : 1,284,226.73 = 350,713.65 : x
  2. Step 2: Convert to fraction form
    856,151.72/1,284,226.73 = 350,713.65/x
  3. Step 3: Cross multiply
    856,151.72x = 1,284,226.73 × 350,713.65
  4. Step 4: Simplify right side
    856,151.72x = 450,395,840,073.17
  5. Step 5: Solve for x
    x = 450,395,840,073.17/856,151.72
  6. Step 6: Final answer
    x = 526,070.12

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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.