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Finding the Fourth Proportional to 760.26, 1,049.05 and 441.11

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Solution

The fourth proportional to 760.26, 1,049.05 and 441.11 is: 608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.26 : 1,049.05 = 441.11 : x
  2. Step 2: Convert to fraction form
    760.26/1,049.05 = 441.11/x
  3. Step 3: Cross multiply
    760.26x = 1,049.05 × 441.11
  4. Step 4: Simplify right side
    760.26x = 462,746.45
  5. Step 5: Solve for x
    x = 462,746.45/760.26
  6. Step 6: Final answer
    x = 608.67

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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.