Home / 870,221.98-1,305,304.26-357,869.38

Finding the Fourth Proportional to 870,221.98, 1,305,304.26 and 357,869.38

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Solution

The fourth proportional to 870,221.98, 1,305,304.26 and 357,869.38 is: 536,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,221.98 : 1,305,304.26 = 357,869.38 : x
  2. Step 2: Convert to fraction form
    870,221.98/1,305,304.26 = 357,869.38/x
  3. Step 3: Cross multiply
    870,221.98x = 1,305,304.26 × 357,869.38
  4. Step 4: Simplify right side
    870,221.98x = 467,128,426,237.56
  5. Step 5: Solve for x
    x = 467,128,426,237.56/870,221.98
  6. Step 6: Final answer
    x = 536,792.26

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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.