Home / 666,935.37-1,000,562.22-217,657.07

Finding the Fourth Proportional to 666,935.37, 1,000,562.22 and 217,657.07

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Solution

The fourth proportional to 666,935.37, 1,000,562.22 and 217,657.07 is: 326,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,935.37 : 1,000,562.22 = 217,657.07 : x
  2. Step 2: Convert to fraction form
    666,935.37/1,000,562.22 = 217,657.07/x
  3. Step 3: Cross multiply
    666,935.37x = 1,000,562.22 × 217,657.07
  4. Step 4: Simplify right side
    666,935.37x = 217,779,445,535.36
  5. Step 5: Solve for x
    x = 217,779,445,535.36/666,935.37
  6. Step 6: Final answer
    x = 326,537.56

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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.