Home / 763,432.40-1,145,148.60-194,812.40

Finding the Fourth Proportional to 763,432.40, 1,145,148.60 and 194,812.40

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Solution

The fourth proportional to 763,432.40, 1,145,148.60 and 194,812.40 is: 292,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,432.40 : 1,145,148.60 = 194,812.40 : x
  2. Step 2: Convert to fraction form
    763,432.40/1,145,148.60 = 194,812.40/x
  3. Step 3: Cross multiply
    763,432.40x = 1,145,148.60 × 194,812.40
  4. Step 4: Simplify right side
    763,432.40x = 223,089,147,122.64
  5. Step 5: Solve for x
    x = 223,089,147,122.64/763,432.40
  6. Step 6: Final answer
    x = 292,218.60

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Similar ratio
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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.