Home / 762,749.40-1,144,124.10-194,129.40

Finding the Fourth Proportional to 762,749.40, 1,144,124.10 and 194,129.40

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Solution

The fourth proportional to 762,749.40, 1,144,124.10 and 194,129.40 is: 291,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,749.40 : 1,144,124.10 = 194,129.40 : x
  2. Step 2: Convert to fraction form
    762,749.40/1,144,124.10 = 194,129.40/x
  3. Step 3: Cross multiply
    762,749.40x = 1,144,124.10 × 194,129.40
  4. Step 4: Simplify right side
    762,749.40x = 222,108,125,058.54
  5. Step 5: Solve for x
    x = 222,108,125,058.54/762,749.40
  6. Step 6: Final answer
    x = 291,194.10

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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.