Home / 763,725.29-1,145,587.90-195,107.62

Finding the Fourth Proportional to 763,725.29, 1,145,587.90 and 195,107.62

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Solution

The fourth proportional to 763,725.29, 1,145,587.90 and 195,107.62 is: 292,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,725.29 : 1,145,587.90 = 195,107.62 : x
  2. Step 2: Convert to fraction form
    763,725.29/1,145,587.90 = 195,107.62/x
  3. Step 3: Cross multiply
    763,725.29x = 1,145,587.90 × 195,107.62
  4. Step 4: Simplify right side
    763,725.29x = 223,512,933,625.11
  5. Step 5: Solve for x
    x = 223,512,933,625.11/763,725.29
  6. Step 6: Final answer
    x = 292,661.43

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Double scale
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Similar ratio
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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.