Home / 683,768.40-1,025,345.40-262,904.40

Finding the Fourth Proportional to 683,768.40, 1,025,345.40 and 262,904.40

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Solution

The fourth proportional to 683,768.40, 1,025,345.40 and 262,904.40 is: 394,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,768.40 : 1,025,345.40 = 262,904.40 : x
  2. Step 2: Convert to fraction form
    683,768.40/1,025,345.40 = 262,904.40/x
  3. Step 3: Cross multiply
    683,768.40x = 1,025,345.40 × 262,904.40
  4. Step 4: Simplify right side
    683,768.40x = 269,567,817,179.76
  5. Step 5: Solve for x
    x = 269,567,817,179.76/683,768.40
  6. Step 6: Final answer
    x = 394,238.48

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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.