Home / 891,648.96-1,337,192.76-292,470.78

Finding the Fourth Proportional to 891,648.96, 1,337,192.76 and 292,470.78

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Solution

The fourth proportional to 891,648.96, 1,337,192.76 and 292,470.78 is: 438,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648.96 : 1,337,192.76 = 292,470.78 : x
  2. Step 2: Convert to fraction form
    891,648.96/1,337,192.76 = 292,470.78/x
  3. Step 3: Cross multiply
    891,648.96x = 1,337,192.76 × 292,470.78
  4. Step 4: Simplify right side
    891,648.96x = 391,089,809,527.55
  5. Step 5: Solve for x
    x = 391,089,809,527.55/891,648.96
  6. Step 6: Final answer
    x = 438,614.10

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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.