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Finding the Fourth Proportional to 704,008.03, 971,530.15 and 381,717.60

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Solution

The fourth proportional to 704,008.03, 971,530.15 and 381,717.60 is: 526,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,008.03 : 971,530.15 = 381,717.60 : x
  2. Step 2: Convert to fraction form
    704,008.03/971,530.15 = 381,717.60/x
  3. Step 3: Cross multiply
    704,008.03x = 971,530.15 × 381,717.60
  4. Step 4: Simplify right side
    704,008.03x = 370,850,157,185.64
  5. Step 5: Solve for x
    x = 370,850,157,185.64/704,008.03
  6. Step 6: Final answer
    x = 526,769.78

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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.