Home / 684,522.72-1,025,928-329,441.76

Finding the Fourth Proportional to 684,522.72, 1,025,928 and 329,441.76

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Solution

The fourth proportional to 684,522.72, 1,025,928 and 329,441.76 is: 493,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,522.72 : 1,025,928 = 329,441.76 : x
  2. Step 2: Convert to fraction form
    684,522.72/1,025,928 = 329,441.76/x
  3. Step 3: Cross multiply
    684,522.72x = 1,025,928 × 329,441.76
  4. Step 4: Simplify right side
    684,522.72x = 337,983,525,953.28
  5. Step 5: Solve for x
    x = 337,983,525,953.28/684,522.72
  6. Step 6: Final answer
    x = 493,750.63

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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.