Home / 465,317.14-641,974.10-304,266.46

Finding the Fourth Proportional to 465,317.14, 641,974.10 and 304,266.46

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Solution

The fourth proportional to 465,317.14, 641,974.10 and 304,266.46 is: 419,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,317.14 : 641,974.10 = 304,266.46 : x
  2. Step 2: Convert to fraction form
    465,317.14/641,974.10 = 304,266.46/x
  3. Step 3: Cross multiply
    465,317.14x = 641,974.10 × 304,266.46
  4. Step 4: Simplify right side
    465,317.14x = 195,331,186,818.69
  5. Step 5: Solve for x
    x = 195,331,186,818.69/465,317.14
  6. Step 6: Final answer
    x = 419,780.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.