Home / 870,190.56-1,305,348.66-364,242.42

Finding the Fourth Proportional to 870,190.56, 1,305,348.66 and 364,242.42

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Solution

The fourth proportional to 870,190.56, 1,305,348.66 and 364,242.42 is: 546,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,190.56 : 1,305,348.66 = 364,242.42 : x
  2. Step 2: Convert to fraction form
    870,190.56/1,305,348.66 = 364,242.42/x
  3. Step 3: Cross multiply
    870,190.56x = 1,305,348.66 × 364,242.42
  4. Step 4: Simplify right side
    870,190.56x = 475,463,354,862.16
  5. Step 5: Solve for x
    x = 475,463,354,862.16/870,190.56
  6. Step 6: Final answer
    x = 546,389.93

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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.