Home / 570,626.66-787,464.30-315,977.84

Finding the Fourth Proportional to 570,626.66, 787,464.30 and 315,977.84

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Solution

The fourth proportional to 570,626.66, 787,464.30 and 315,977.84 is: 436,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,626.66 : 787,464.30 = 315,977.84 : x
  2. Step 2: Convert to fraction form
    570,626.66/787,464.30 = 315,977.84/x
  3. Step 3: Cross multiply
    570,626.66x = 787,464.30 × 315,977.84
  4. Step 4: Simplify right side
    570,626.66x = 248,821,268,591.11
  5. Step 5: Solve for x
    x = 248,821,268,591.11/570,626.66
  6. Step 6: Final answer
    x = 436,049.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.