Home / 666,716.58-1,000,234.04-217,437.89

Finding the Fourth Proportional to 666,716.58, 1,000,234.04 and 217,437.89

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Solution

The fourth proportional to 666,716.58, 1,000,234.04 and 217,437.89 is: 326,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,716.58 : 1,000,234.04 = 217,437.89 : x
  2. Step 2: Convert to fraction form
    666,716.58/1,000,234.04 = 217,437.89/x
  3. Step 3: Cross multiply
    666,716.58x = 1,000,234.04 × 217,437.89
  4. Step 4: Simplify right side
    666,716.58x = 217,488,773,075.42
  5. Step 5: Solve for x
    x = 217,488,773,075.42/666,716.58
  6. Step 6: Final answer
    x = 326,208.74

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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.