Home / 870,951.62-1,305,708.18-384,287.28

Finding the Fourth Proportional to 870,951.62, 1,305,708.18 and 384,287.28

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Solution

The fourth proportional to 870,951.62, 1,305,708.18 and 384,287.28 is: 576,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,951.62 : 1,305,708.18 = 384,287.28 : x
  2. Step 2: Convert to fraction form
    870,951.62/1,305,708.18 = 384,287.28/x
  3. Step 3: Cross multiply
    870,951.62x = 1,305,708.18 × 384,287.28
  4. Step 4: Simplify right side
    870,951.62x = 501,767,051,923.45
  5. Step 5: Solve for x
    x = 501,767,051,923.45/870,951.62
  6. Step 6: Final answer
    x = 576,113.57

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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.