Home / 887,082.70-1,330,623.91-213,164.00

Finding the Fourth Proportional to 887,082.70, 1,330,623.91 and 213,164.00

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Solution

The fourth proportional to 887,082.70, 1,330,623.91 and 213,164.00 is: 319,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,082.70 : 1,330,623.91 = 213,164.00 : x
  2. Step 2: Convert to fraction form
    887,082.70/1,330,623.91 = 213,164.00/x
  3. Step 3: Cross multiply
    887,082.70x = 1,330,623.91 × 213,164.00
  4. Step 4: Simplify right side
    887,082.70x = 283,641,108,812.99
  5. Step 5: Solve for x
    x = 283,641,108,812.99/887,082.70
  6. Step 6: Final answer
    x = 319,745.96

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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.