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Finding the Fourth Proportional to 662,937.60, 993,750.30 and 325,702.20

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Solution

The fourth proportional to 662,937.60, 993,750.30 and 325,702.20 is: 488,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,937.60 : 993,750.30 = 325,702.20 : x
  2. Step 2: Convert to fraction form
    662,937.60/993,750.30 = 325,702.20/x
  3. Step 3: Cross multiply
    662,937.60x = 993,750.30 × 325,702.20
  4. Step 4: Simplify right side
    662,937.60x = 323,666,658,960.66
  5. Step 5: Solve for x
    x = 323,666,658,960.66/662,937.60
  6. Step 6: Final answer
    x = 488,230.96

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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.