Home / 438,949.66-658,376.64-297,702.28

Finding the Fourth Proportional to 438,949.66, 658,376.64 and 297,702.28

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Solution

The fourth proportional to 438,949.66, 658,376.64 and 297,702.28 is: 446,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,949.66 : 658,376.64 = 297,702.28 : x
  2. Step 2: Convert to fraction form
    438,949.66/658,376.64 = 297,702.28/x
  3. Step 3: Cross multiply
    438,949.66x = 658,376.64 × 297,702.28
  4. Step 4: Simplify right side
    438,949.66x = 196,000,226,826.74
  5. Step 5: Solve for x
    x = 196,000,226,826.74/438,949.66
  6. Step 6: Final answer
    x = 446,520.97

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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.