Home / 808,219.22-1,212,328.82-358,834.46

Finding the Fourth Proportional to 808,219.22, 1,212,328.82 and 358,834.46

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Solution

The fourth proportional to 808,219.22, 1,212,328.82 and 358,834.46 is: 538,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,219.22 : 1,212,328.82 = 358,834.46 : x
  2. Step 2: Convert to fraction form
    808,219.22/1,212,328.82 = 358,834.46/x
  3. Step 3: Cross multiply
    808,219.22x = 1,212,328.82 × 358,834.46
  4. Step 4: Simplify right side
    808,219.22x = 435,025,352,302.58
  5. Step 5: Solve for x
    x = 435,025,352,302.58/808,219.22
  6. Step 6: Final answer
    x = 538,251.68

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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.