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Finding the Fourth Proportional to 489,230.80, 733,846.20 and 453,801.40

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Solution

The fourth proportional to 489,230.80, 733,846.20 and 453,801.40 is: 680,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,230.80 : 733,846.20 = 453,801.40 : x
  2. Step 2: Convert to fraction form
    489,230.80/733,846.20 = 453,801.40/x
  3. Step 3: Cross multiply
    489,230.80x = 733,846.20 × 453,801.40
  4. Step 4: Simplify right side
    489,230.80x = 333,020,432,944.68
  5. Step 5: Solve for x
    x = 333,020,432,944.68/489,230.80
  6. Step 6: Final answer
    x = 680,702.10

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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.