Home / 492,880.18-679,861.47-323,125.24

Finding the Fourth Proportional to 492,880.18, 679,861.47 and 323,125.24

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Solution

The fourth proportional to 492,880.18, 679,861.47 and 323,125.24 is: 445,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,880.18 : 679,861.47 = 323,125.24 : x
  2. Step 2: Convert to fraction form
    492,880.18/679,861.47 = 323,125.24/x
  3. Step 3: Cross multiply
    492,880.18x = 679,861.47 × 323,125.24
  4. Step 4: Simplify right side
    492,880.18x = 219,680,400,660.50
  5. Step 5: Solve for x
    x = 219,680,400,660.50/492,880.18
  6. Step 6: Final answer
    x = 445,707.52

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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.