Home / 772,617.11-1,159,258.66-417,880.85

Finding the Fourth Proportional to 772,617.11, 1,159,258.66 and 417,880.85

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Solution

The fourth proportional to 772,617.11, 1,159,258.66 and 417,880.85 is: 627,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,617.11 : 1,159,258.66 = 417,880.85 : x
  2. Step 2: Convert to fraction form
    772,617.11/1,159,258.66 = 417,880.85/x
  3. Step 3: Cross multiply
    772,617.11x = 1,159,258.66 × 417,880.85
  4. Step 4: Simplify right side
    772,617.11x = 484,431,987,369.67
  5. Step 5: Solve for x
    x = 484,431,987,369.67/772,617.11
  6. Step 6: Final answer
    x = 627,001.38

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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.