Home / 666,546.30-999,818.73-217,267.02

Finding the Fourth Proportional to 666,546.30, 999,818.73 and 217,267.02

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Solution

The fourth proportional to 666,546.30, 999,818.73 and 217,267.02 is: 325,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,546.30 : 999,818.73 = 217,267.02 : x
  2. Step 2: Convert to fraction form
    666,546.30/999,818.73 = 217,267.02/x
  3. Step 3: Cross multiply
    666,546.30x = 999,818.73 × 217,267.02
  4. Step 4: Simplify right side
    666,546.30x = 217,227,636,007.29
  5. Step 5: Solve for x
    x = 217,227,636,007.29/666,546.30
  6. Step 6: Final answer
    x = 325,900.30

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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.