Home / 788,516.70-1,182,645.63-219,936.48

Finding the Fourth Proportional to 788,516.70, 1,182,645.63 and 219,936.48

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Solution

The fourth proportional to 788,516.70, 1,182,645.63 and 219,936.48 is: 329,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,516.70 : 1,182,645.63 = 219,936.48 : x
  2. Step 2: Convert to fraction form
    788,516.70/1,182,645.63 = 219,936.48/x
  3. Step 3: Cross multiply
    788,516.70x = 1,182,645.63 × 219,936.48
  4. Step 4: Simplify right side
    788,516.70x = 260,106,916,949.58
  5. Step 5: Solve for x
    x = 260,106,916,949.58/788,516.70
  6. Step 6: Final answer
    x = 329,868.62

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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.