Home / 745,922.28-1,118,883.45-247,286.28

Finding the Fourth Proportional to 745,922.28, 1,118,883.45 and 247,286.28

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Solution

The fourth proportional to 745,922.28, 1,118,883.45 and 247,286.28 is: 370,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,922.28 : 1,118,883.45 = 247,286.28 : x
  2. Step 2: Convert to fraction form
    745,922.28/1,118,883.45 = 247,286.28/x
  3. Step 3: Cross multiply
    745,922.28x = 1,118,883.45 × 247,286.28
  4. Step 4: Simplify right side
    745,922.28x = 276,684,526,104.07
  5. Step 5: Solve for x
    x = 276,684,526,104.07/745,922.28
  6. Step 6: Final answer
    x = 370,929.43

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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.