Home / 666,545.30-999,817.23-217,266.02

Finding the Fourth Proportional to 666,545.30, 999,817.23 and 217,266.02

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Solution

The fourth proportional to 666,545.30, 999,817.23 and 217,266.02 is: 325,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,545.30 : 999,817.23 = 217,266.02 : x
  2. Step 2: Convert to fraction form
    666,545.30/999,817.23 = 217,266.02/x
  3. Step 3: Cross multiply
    666,545.30x = 999,817.23 × 217,266.02
  4. Step 4: Simplify right side
    666,545.30x = 217,226,310,289.53
  5. Step 5: Solve for x
    x = 217,226,310,289.53/666,545.30
  6. Step 6: Final answer
    x = 325,898.80

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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.