Home / 763,343.35-1,053,372.67-423,789.73

Finding the Fourth Proportional to 763,343.35, 1,053,372.67 and 423,789.73

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Solution

The fourth proportional to 763,343.35, 1,053,372.67 and 423,789.73 is: 584,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,343.35 : 1,053,372.67 = 423,789.73 : x
  2. Step 2: Convert to fraction form
    763,343.35/1,053,372.67 = 423,789.73/x
  3. Step 3: Cross multiply
    763,343.35x = 1,053,372.67 × 423,789.73
  4. Step 4: Simplify right side
    763,343.35x = 446,408,519,408.68
  5. Step 5: Solve for x
    x = 446,408,519,408.68/763,343.35
  6. Step 6: Final answer
    x = 584,806.98

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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.