Home / 891,800.62-1,337,378.12-379,499.92

Finding the Fourth Proportional to 891,800.62, 1,337,378.12 and 379,499.92

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Solution

The fourth proportional to 891,800.62, 1,337,378.12 and 379,499.92 is: 569,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,800.62 : 1,337,378.12 = 379,499.92 : x
  2. Step 2: Convert to fraction form
    891,800.62/1,337,378.12 = 379,499.92/x
  3. Step 3: Cross multiply
    891,800.62x = 1,337,378.12 × 379,499.92
  4. Step 4: Simplify right side
    891,800.62x = 507,534,889,549.75
  5. Step 5: Solve for x
    x = 507,534,889,549.75/891,800.62
  6. Step 6: Final answer
    x = 569,112.51

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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.