Home / 908,178.96-1,253,287.32-526,427.28

Finding the Fourth Proportional to 908,178.96, 1,253,287.32 and 526,427.28

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Solution

The fourth proportional to 908,178.96, 1,253,287.32 and 526,427.28 is: 726,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,178.96 : 1,253,287.32 = 526,427.28 : x
  2. Step 2: Convert to fraction form
    908,178.96/1,253,287.32 = 526,427.28/x
  3. Step 3: Cross multiply
    908,178.96x = 1,253,287.32 × 526,427.28
  4. Step 4: Simplify right side
    908,178.96x = 659,764,634,926.09
  5. Step 5: Solve for x
    x = 659,764,634,926.09/908,178.96
  6. Step 6: Final answer
    x = 726,469.85

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1.5x scale

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.