Home / 942,135.27-1,412,077.41-342,394.26

Finding the Fourth Proportional to 942,135.27, 1,412,077.41 and 342,394.26

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Solution

The fourth proportional to 942,135.27, 1,412,077.41 and 342,394.26 is: 513,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,135.27 : 1,412,077.41 = 342,394.26 : x
  2. Step 2: Convert to fraction form
    942,135.27/1,412,077.41 = 342,394.26/x
  3. Step 3: Cross multiply
    942,135.27x = 1,412,077.41 × 342,394.26
  4. Step 4: Simplify right side
    942,135.27x = 483,487,199,859.67
  5. Step 5: Solve for x
    x = 483,487,199,859.67/942,135.27
  6. Step 6: Final answer
    x = 513,182.36

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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.