Home / 870,217.37-1,305,297.27-357,864.78

Finding the Fourth Proportional to 870,217.37, 1,305,297.27 and 357,864.78

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Solution

The fourth proportional to 870,217.37, 1,305,297.27 and 357,864.78 is: 536,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,217.37 : 1,305,297.27 = 357,864.78 : x
  2. Step 2: Convert to fraction form
    870,217.37/1,305,297.27 = 357,864.78/x
  3. Step 3: Cross multiply
    870,217.37x = 1,305,297.27 × 357,864.78
  4. Step 4: Simplify right side
    870,217.37x = 467,119,920,363.15
  5. Step 5: Solve for x
    x = 467,119,920,363.15/870,217.37
  6. Step 6: Final answer
    x = 536,785.33

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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.