Home / 850,298.08-1,275,520.56-219,206.56

Finding the Fourth Proportional to 850,298.08, 1,275,520.56 and 219,206.56

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Solution

The fourth proportional to 850,298.08, 1,275,520.56 and 219,206.56 is: 328,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,298.08 : 1,275,520.56 = 219,206.56 : x
  2. Step 2: Convert to fraction form
    850,298.08/1,275,520.56 = 219,206.56/x
  3. Step 3: Cross multiply
    850,298.08x = 1,275,520.56 × 219,206.56
  4. Step 4: Simplify right side
    850,298.08x = 279,602,474,166.87
  5. Step 5: Solve for x
    x = 279,602,474,166.87/850,298.08
  6. Step 6: Final answer
    x = 328,828.77

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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.