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Finding the Fourth Proportional to 492,059.85, 679,045.01 and 277,203.30

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Solution

The fourth proportional to 492,059.85, 679,045.01 and 277,203.30 is: 382,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,059.85 : 679,045.01 = 277,203.30 : x
  2. Step 2: Convert to fraction form
    492,059.85/679,045.01 = 277,203.30/x
  3. Step 3: Cross multiply
    492,059.85x = 679,045.01 × 277,203.30
  4. Step 4: Simplify right side
    492,059.85x = 188,233,517,620.53
  5. Step 5: Solve for x
    x = 188,233,517,620.53/492,059.85
  6. Step 6: Final answer
    x = 382,541.92

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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.