Home / 792,422.68-1,188,681.25-306,108.60

Finding the Fourth Proportional to 792,422.68, 1,188,681.25 and 306,108.60

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Solution

The fourth proportional to 792,422.68, 1,188,681.25 and 306,108.60 is: 459,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,422.68 : 1,188,681.25 = 306,108.60 : x
  2. Step 2: Convert to fraction form
    792,422.68/1,188,681.25 = 306,108.60/x
  3. Step 3: Cross multiply
    792,422.68x = 1,188,681.25 × 306,108.60
  4. Step 4: Simplify right side
    792,422.68x = 363,865,552,518.48
  5. Step 5: Solve for x
    x = 363,865,552,518.48/792,422.68
  6. Step 6: Final answer
    x = 459,181.15

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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.