Home / 808,675.20-1,213,012.80-276,019.20

Finding the Fourth Proportional to 808,675.20, 1,213,012.80 and 276,019.20

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Solution

The fourth proportional to 808,675.20, 1,213,012.80 and 276,019.20 is: 414,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,675.20 : 1,213,012.80 = 276,019.20 : x
  2. Step 2: Convert to fraction form
    808,675.20/1,213,012.80 = 276,019.20/x
  3. Step 3: Cross multiply
    808,675.20x = 1,213,012.80 × 276,019.20
  4. Step 4: Simplify right side
    808,675.20x = 334,814,822,645.76
  5. Step 5: Solve for x
    x = 334,814,822,645.76/808,675.20
  6. Step 6: Final answer
    x = 414,028.80

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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.