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Finding the Fourth Proportional to 448,120.80, 617,991.06 and 327,070.32

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Solution

The fourth proportional to 448,120.80, 617,991.06 and 327,070.32 is: 451,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,120.80 : 617,991.06 = 327,070.32 : x
  2. Step 2: Convert to fraction form
    448,120.80/617,991.06 = 327,070.32/x
  3. Step 3: Cross multiply
    448,120.80x = 617,991.06 × 327,070.32
  4. Step 4: Simplify right side
    448,120.80x = 202,126,533,751.34
  5. Step 5: Solve for x
    x = 202,126,533,751.34/448,120.80
  6. Step 6: Final answer
    x = 451,053.68

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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.