Home / 645,656.95-968,859.67-325,833.83

Finding the Fourth Proportional to 645,656.95, 968,859.67 and 325,833.83

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Solution

The fourth proportional to 645,656.95, 968,859.67 and 325,833.83 is: 488,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,656.95 : 968,859.67 = 325,833.83 : x
  2. Step 2: Convert to fraction form
    645,656.95/968,859.67 = 325,833.83/x
  3. Step 3: Cross multiply
    645,656.95x = 968,859.67 × 325,833.83
  4. Step 4: Simplify right side
    645,656.95x = 315,687,258,900.71
  5. Step 5: Solve for x
    x = 315,687,258,900.71/645,656.95
  6. Step 6: Final answer
    x = 488,939.61

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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.