Home / 942,162.97-1,412,389.16-342,700.33

Finding the Fourth Proportional to 942,162.97, 1,412,389.16 and 342,700.33

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Solution

The fourth proportional to 942,162.97, 1,412,389.16 and 342,700.33 is: 513,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,162.97 : 1,412,389.16 = 342,700.33 : x
  2. Step 2: Convert to fraction form
    942,162.97/1,412,389.16 = 342,700.33/x
  3. Step 3: Cross multiply
    942,162.97x = 1,412,389.16 × 342,700.33
  4. Step 4: Simplify right side
    942,162.97x = 484,026,229,506.92
  5. Step 5: Solve for x
    x = 484,026,229,506.92/942,162.97
  6. Step 6: Final answer
    x = 513,739.39

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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.