Home / 850,298.58-1,275,521.31-219,207.06

Finding the Fourth Proportional to 850,298.58, 1,275,521.31 and 219,207.06

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Solution

The fourth proportional to 850,298.58, 1,275,521.31 and 219,207.06 is: 328,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,298.58 : 1,275,521.31 = 219,207.06 : x
  2. Step 2: Convert to fraction form
    850,298.58/1,275,521.31 = 219,207.06/x
  3. Step 3: Cross multiply
    850,298.58x = 1,275,521.31 × 219,207.06
  4. Step 4: Simplify right side
    850,298.58x = 279,603,276,332.45
  5. Step 5: Solve for x
    x = 279,603,276,332.45/850,298.58
  6. Step 6: Final answer
    x = 328,829.52

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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.