Home / 526,643.20-789,964.80-231,155.20

Finding the Fourth Proportional to 526,643.20, 789,964.80 and 231,155.20

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Solution

The fourth proportional to 526,643.20, 789,964.80 and 231,155.20 is: 346,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,643.20 : 789,964.80 = 231,155.20 : x
  2. Step 2: Convert to fraction form
    526,643.20/789,964.80 = 231,155.20/x
  3. Step 3: Cross multiply
    526,643.20x = 789,964.80 × 231,155.20
  4. Step 4: Simplify right side
    526,643.20x = 182,604,471,336.96
  5. Step 5: Solve for x
    x = 182,604,471,336.96/526,643.20
  6. Step 6: Final answer
    x = 346,732.80

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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.