Home / 681,981.63-1,023,013.44-208,671.09

Finding the Fourth Proportional to 681,981.63, 1,023,013.44 and 208,671.09

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Solution

The fourth proportional to 681,981.63, 1,023,013.44 and 208,671.09 is: 313,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,981.63 : 1,023,013.44 = 208,671.09 : x
  2. Step 2: Convert to fraction form
    681,981.63/1,023,013.44 = 208,671.09/x
  3. Step 3: Cross multiply
    681,981.63x = 1,023,013.44 × 208,671.09
  4. Step 4: Simplify right side
    681,981.63x = 213,473,329,609.45
  5. Step 5: Solve for x
    x = 213,473,329,609.45/681,981.63
  6. Step 6: Final answer
    x = 313,019.18

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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.