Home / 865,946.30-1,299,160.01-360,745.65

Finding the Fourth Proportional to 865,946.30, 1,299,160.01 and 360,745.65

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Solution

The fourth proportional to 865,946.30, 1,299,160.01 and 360,745.65 is: 541,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,946.30 : 1,299,160.01 = 360,745.65 : x
  2. Step 2: Convert to fraction form
    865,946.30/1,299,160.01 = 360,745.65/x
  3. Step 3: Cross multiply
    865,946.30x = 1,299,160.01 × 360,745.65
  4. Step 4: Simplify right side
    865,946.30x = 468,666,323,163.32
  5. Step 5: Solve for x
    x = 468,666,323,163.32/865,946.30
  6. Step 6: Final answer
    x = 541,218.69

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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.