Home / 901,976.88-1,352,917.80-302,950.29

Finding the Fourth Proportional to 901,976.88, 1,352,917.80 and 302,950.29

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Solution

The fourth proportional to 901,976.88, 1,352,917.80 and 302,950.29 is: 454,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,976.88 : 1,352,917.80 = 302,950.29 : x
  2. Step 2: Convert to fraction form
    901,976.88/1,352,917.80 = 302,950.29/x
  3. Step 3: Cross multiply
    901,976.88x = 1,352,917.80 × 302,950.29
  4. Step 4: Simplify right side
    901,976.88x = 409,866,839,856.16
  5. Step 5: Solve for x
    x = 409,866,839,856.16/901,976.88
  6. Step 6: Final answer
    x = 454,409.47

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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.