Home / 677,755.20-1,015,971.60-322,673.76

Finding the Fourth Proportional to 677,755.20, 1,015,971.60 and 322,673.76

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Solution

The fourth proportional to 677,755.20, 1,015,971.60 and 322,673.76 is: 483,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,755.20 : 1,015,971.60 = 322,673.76 : x
  2. Step 2: Convert to fraction form
    677,755.20/1,015,971.60 = 322,673.76/x
  3. Step 3: Cross multiply
    677,755.20x = 1,015,971.60 × 322,673.76
  4. Step 4: Simplify right side
    677,755.20x = 327,827,376,225.22
  5. Step 5: Solve for x
    x = 327,827,376,225.22/677,755.20
  6. Step 6: Final answer
    x = 483,695.85

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1.5x scale

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.