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Finding the Fourth Proportional to 760.56, 1,050.04 and 481.08

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Solution

The fourth proportional to 760.56, 1,050.04 and 481.08 is: 664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.56 : 1,050.04 = 481.08 : x
  2. Step 2: Convert to fraction form
    760.56/1,050.04 = 481.08/x
  3. Step 3: Cross multiply
    760.56x = 1,050.04 × 481.08
  4. Step 4: Simplify right side
    760.56x = 505,153.24
  5. Step 5: Solve for x
    x = 505,153.24/760.56
  6. Step 6: Final answer
    x = 664.19

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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.