Home / 843,462.72-1,265,129.28-310,884.48

Finding the Fourth Proportional to 843,462.72, 1,265,129.28 and 310,884.48

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Solution

The fourth proportional to 843,462.72, 1,265,129.28 and 310,884.48 is: 466,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,462.72 : 1,265,129.28 = 310,884.48 : x
  2. Step 2: Convert to fraction form
    843,462.72/1,265,129.28 = 310,884.48/x
  3. Step 3: Cross multiply
    843,462.72x = 1,265,129.28 × 310,884.48
  4. Step 4: Simplify right side
    843,462.72x = 393,309,058,345.57
  5. Step 5: Solve for x
    x = 393,309,058,345.57/843,462.72
  6. Step 6: Final answer
    x = 466,302.84

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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.