Home / 667,386.66-1,000,870.83-218,005.14

Finding the Fourth Proportional to 667,386.66, 1,000,870.83 and 218,005.14

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Solution

The fourth proportional to 667,386.66, 1,000,870.83 and 218,005.14 is: 326,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,386.66 : 1,000,870.83 = 218,005.14 : x
  2. Step 2: Convert to fraction form
    667,386.66/1,000,870.83 = 218,005.14/x
  3. Step 3: Cross multiply
    667,386.66x = 1,000,870.83 × 218,005.14
  4. Step 4: Simplify right side
    667,386.66x = 218,194,985,416.07
  5. Step 5: Solve for x
    x = 218,194,985,416.07/667,386.66
  6. Step 6: Final answer
    x = 326,939.39

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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.