Home / 526,370.24-789,548-127,007.68

Finding the Fourth Proportional to 526,370.24, 789,548 and 127,007.68

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Solution

The fourth proportional to 526,370.24, 789,548 and 127,007.68 is: 190,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,370.24 : 789,548 = 127,007.68 : x
  2. Step 2: Convert to fraction form
    526,370.24/789,548 = 127,007.68/x
  3. Step 3: Cross multiply
    526,370.24x = 789,548 × 127,007.68
  4. Step 4: Simplify right side
    526,370.24x = 100,278,659,728.64
  5. Step 5: Solve for x
    x = 100,278,659,728.64/526,370.24
  6. Step 6: Final answer
    x = 190,509.74

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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.