Home / 465,454.20-698,181.30-306,021.90

Finding the Fourth Proportional to 465,454.20, 698,181.30 and 306,021.90

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Solution

The fourth proportional to 465,454.20, 698,181.30 and 306,021.90 is: 459,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,454.20 : 698,181.30 = 306,021.90 : x
  2. Step 2: Convert to fraction form
    465,454.20/698,181.30 = 306,021.90/x
  3. Step 3: Cross multiply
    465,454.20x = 698,181.30 × 306,021.90
  4. Step 4: Simplify right side
    465,454.20x = 213,658,767,970.47
  5. Step 5: Solve for x
    x = 213,658,767,970.47/465,454.20
  6. Step 6: Final answer
    x = 459,032.85

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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.