Home / 891,306.56-1,229,999.50-483,406.76

Finding the Fourth Proportional to 891,306.56, 1,229,999.50 and 483,406.76

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Solution

The fourth proportional to 891,306.56, 1,229,999.50 and 483,406.76 is: 667,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,306.56 : 1,229,999.50 = 483,406.76 : x
  2. Step 2: Convert to fraction form
    891,306.56/1,229,999.50 = 483,406.76/x
  3. Step 3: Cross multiply
    891,306.56x = 1,229,999.50 × 483,406.76
  4. Step 4: Simplify right side
    891,306.56x = 594,590,073,096.62
  5. Step 5: Solve for x
    x = 594,590,073,096.62/891,306.56
  6. Step 6: Final answer
    x = 667,099.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.