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Finding the Fourth Proportional to 735.24, 1,014.62 and 440.40

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Solution

The fourth proportional to 735.24, 1,014.62 and 440.40 is: 607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.24 : 1,014.62 = 440.40 : x
  2. Step 2: Convert to fraction form
    735.24/1,014.62 = 440.40/x
  3. Step 3: Cross multiply
    735.24x = 1,014.62 × 440.40
  4. Step 4: Simplify right side
    735.24x = 446,838.65
  5. Step 5: Solve for x
    x = 446,838.65/735.24
  6. Step 6: Final answer
    x = 607.75

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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.