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Finding the Fourth Proportional to 504,022.80, 755,159.40 and 326,438.40

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Solution

The fourth proportional to 504,022.80, 755,159.40 and 326,438.40 is: 489,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,022.80 : 755,159.40 = 326,438.40 : x
  2. Step 2: Convert to fraction form
    504,022.80/755,159.40 = 326,438.40/x
  3. Step 3: Cross multiply
    504,022.80x = 755,159.40 × 326,438.40
  4. Step 4: Simplify right side
    504,022.80x = 246,513,026,280.96
  5. Step 5: Solve for x
    x = 246,513,026,280.96/504,022.80
  6. Step 6: Final answer
    x = 489,091.02

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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.