Home / 846,932.55-1,270,131.09-278,220.21

Finding the Fourth Proportional to 846,932.55, 1,270,131.09 and 278,220.21

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Solution

The fourth proportional to 846,932.55, 1,270,131.09 and 278,220.21 is: 417,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,932.55 : 1,270,131.09 = 278,220.21 : x
  2. Step 2: Convert to fraction form
    846,932.55/1,270,131.09 = 278,220.21/x
  3. Step 3: Cross multiply
    846,932.55x = 1,270,131.09 × 278,220.21
  4. Step 4: Simplify right side
    846,932.55x = 353,376,138,587.33
  5. Step 5: Solve for x
    x = 353,376,138,587.33/846,932.55
  6. Step 6: Final answer
    x = 417,242.36

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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.