Home / 763,542.74-1,145,478.74-223,843.38

Finding the Fourth Proportional to 763,542.74, 1,145,478.74 and 223,843.38

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Solution

The fourth proportional to 763,542.74, 1,145,478.74 and 223,843.38 is: 335,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,542.74 : 1,145,478.74 = 223,843.38 : x
  2. Step 2: Convert to fraction form
    763,542.74/1,145,478.74 = 223,843.38/x
  3. Step 3: Cross multiply
    763,542.74x = 1,145,478.74 × 223,843.38
  4. Step 4: Simplify right side
    763,542.74x = 256,407,831,760.52
  5. Step 5: Solve for x
    x = 256,407,831,760.52/763,542.74
  6. Step 6: Final answer
    x = 335,813.33

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1.5x scale

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.