Home / 870,163.56-1,305,308.22-364,215.69

Finding the Fourth Proportional to 870,163.56, 1,305,308.22 and 364,215.69

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Solution

The fourth proportional to 870,163.56, 1,305,308.22 and 364,215.69 is: 546,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,163.56 : 1,305,308.22 = 364,215.69 : x
  2. Step 2: Convert to fraction form
    870,163.56/1,305,308.22 = 364,215.69/x
  3. Step 3: Cross multiply
    870,163.56x = 1,305,308.22 × 364,215.69
  4. Step 4: Simplify right side
    870,163.56x = 475,413,732,644.16
  5. Step 5: Solve for x
    x = 475,413,732,644.16/870,163.56
  6. Step 6: Final answer
    x = 546,349.85

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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.