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Finding the Fourth Proportional to 491,496.15, 735,829.97 and 440,210.19

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Solution

The fourth proportional to 491,496.15, 735,829.97 and 440,210.19 is: 659,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,496.15 : 735,829.97 = 440,210.19 : x
  2. Step 2: Convert to fraction form
    491,496.15/735,829.97 = 440,210.19/x
  3. Step 3: Cross multiply
    491,496.15x = 735,829.97 × 440,210.19
  4. Step 4: Simplify right side
    491,496.15x = 323,919,848,700.34
  5. Step 5: Solve for x
    x = 323,919,848,700.34/491,496.15
  6. Step 6: Final answer
    x = 659,048.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.