Home / 891,898.11-1,230,812.96-483,989.67

Finding the Fourth Proportional to 891,898.11, 1,230,812.96 and 483,989.67

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Solution

The fourth proportional to 891,898.11, 1,230,812.96 and 483,989.67 is: 667,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,898.11 : 1,230,812.96 = 483,989.67 : x
  2. Step 2: Convert to fraction form
    891,898.11/1,230,812.96 = 483,989.67/x
  3. Step 3: Cross multiply
    891,898.11x = 1,230,812.96 × 483,989.67
  4. Step 4: Simplify right side
    891,898.11x = 595,700,755,922.18
  5. Step 5: Solve for x
    x = 595,700,755,922.18/891,898.11
  6. Step 6: Final answer
    x = 667,902.25

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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.