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Finding the Fourth Proportional to 577,171.92, 796,482 and 322,525.20

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Solution

The fourth proportional to 577,171.92, 796,482 and 322,525.20 is: 445,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,171.92 : 796,482 = 322,525.20 : x
  2. Step 2: Convert to fraction form
    577,171.92/796,482 = 322,525.20/x
  3. Step 3: Cross multiply
    577,171.92x = 796,482 × 322,525.20
  4. Step 4: Simplify right side
    577,171.92x = 256,885,516,346.40
  5. Step 5: Solve for x
    x = 256,885,516,346.40/577,171.92
  6. Step 6: Final answer
    x = 445,076.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.