Home / 645,881.92-968,194.32-308,835.52

Finding the Fourth Proportional to 645,881.92, 968,194.32 and 308,835.52

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Solution

The fourth proportional to 645,881.92, 968,194.32 and 308,835.52 is: 462,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,881.92 : 968,194.32 = 308,835.52 : x
  2. Step 2: Convert to fraction form
    645,881.92/968,194.32 = 308,835.52/x
  3. Step 3: Cross multiply
    645,881.92x = 968,194.32 × 308,835.52
  4. Step 4: Simplify right side
    645,881.92x = 299,012,796,278.25
  5. Step 5: Solve for x
    x = 299,012,796,278.25/645,881.92
  6. Step 6: Final answer
    x = 462,952.73

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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.