Home / 674,423.29-1,011,703.03-218,995.48

Finding the Fourth Proportional to 674,423.29, 1,011,703.03 and 218,995.48

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Solution

The fourth proportional to 674,423.29, 1,011,703.03 and 218,995.48 is: 328,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,423.29 : 1,011,703.03 = 218,995.48 : x
  2. Step 2: Convert to fraction form
    674,423.29/1,011,703.03 = 218,995.48/x
  3. Step 3: Cross multiply
    674,423.29x = 1,011,703.03 × 218,995.48
  4. Step 4: Simplify right side
    674,423.29x = 221,558,393,201.56
  5. Step 5: Solve for x
    x = 221,558,393,201.56/674,423.29
  6. Step 6: Final answer
    x = 328,515.34

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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.