Home / 710,460.42-1,065,691.31-198,105.09

Finding the Fourth Proportional to 710,460.42, 1,065,691.31 and 198,105.09

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Solution

The fourth proportional to 710,460.42, 1,065,691.31 and 198,105.09 is: 297,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,460.42 : 1,065,691.31 = 198,105.09 : x
  2. Step 2: Convert to fraction form
    710,460.42/1,065,691.31 = 198,105.09/x
  3. Step 3: Cross multiply
    710,460.42x = 1,065,691.31 × 198,105.09
  4. Step 4: Simplify right side
    710,460.42x = 211,118,874,444.58
  5. Step 5: Solve for x
    x = 211,118,874,444.58/710,460.42
  6. Step 6: Final answer
    x = 297,157.83

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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.