Home / 774,677.92-1,162,083.86-213,712.42

Finding the Fourth Proportional to 774,677.92, 1,162,083.86 and 213,712.42

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Solution

The fourth proportional to 774,677.92, 1,162,083.86 and 213,712.42 is: 320,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,677.92 : 1,162,083.86 = 213,712.42 : x
  2. Step 2: Convert to fraction form
    774,677.92/1,162,083.86 = 213,712.42/x
  3. Step 3: Cross multiply
    774,677.92x = 1,162,083.86 × 213,712.42
  4. Step 4: Simplify right side
    774,677.92x = 248,351,756,868.75
  5. Step 5: Solve for x
    x = 248,351,756,868.75/774,677.92
  6. Step 6: Final answer
    x = 320,587.11

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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.