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Finding the Fourth Proportional to 607,931.82, 912,055.29 and 323,388.04

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Solution

The fourth proportional to 607,931.82, 912,055.29 and 323,388.04 is: 485,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,931.82 : 912,055.29 = 323,388.04 : x
  2. Step 2: Convert to fraction form
    607,931.82/912,055.29 = 323,388.04/x
  3. Step 3: Cross multiply
    607,931.82x = 912,055.29 × 323,388.04
  4. Step 4: Simplify right side
    607,931.82x = 294,947,772,604.73
  5. Step 5: Solve for x
    x = 294,947,772,604.73/607,931.82
  6. Step 6: Final answer
    x = 485,165.87

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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.