Home / 774,981.15-1,162,493.54-214,015.65

Finding the Fourth Proportional to 774,981.15, 1,162,493.54 and 214,015.65

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Solution

The fourth proportional to 774,981.15, 1,162,493.54 and 214,015.65 is: 321,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,981.15 : 1,162,493.54 = 214,015.65 : x
  2. Step 2: Convert to fraction form
    774,981.15/1,162,493.54 = 214,015.65/x
  3. Step 3: Cross multiply
    774,981.15x = 1,162,493.54 × 214,015.65
  4. Step 4: Simplify right side
    774,981.15x = 248,791,809,513.82
  5. Step 5: Solve for x
    x = 248,791,809,513.82/774,981.15
  6. Step 6: Final answer
    x = 321,029.50

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Double scale
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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.