Home / 846,974.26-1,270,191.95-278,223.40

Finding the Fourth Proportional to 846,974.26, 1,270,191.95 and 278,223.40

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Solution

The fourth proportional to 846,974.26, 1,270,191.95 and 278,223.40 is: 417,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,974.26 : 1,270,191.95 = 278,223.40 : x
  2. Step 2: Convert to fraction form
    846,974.26/1,270,191.95 = 278,223.40/x
  3. Step 3: Cross multiply
    846,974.26x = 1,270,191.95 × 278,223.40
  4. Step 4: Simplify right side
    846,974.26x = 353,397,115,239.55
  5. Step 5: Solve for x
    x = 353,397,115,239.55/846,974.26
  6. Step 6: Final answer
    x = 417,246.58

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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.