Home / 930,073.89-1,394,567.84-360,789.78

Finding the Fourth Proportional to 930,073.89, 1,394,567.84 and 360,789.78

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Solution

The fourth proportional to 930,073.89, 1,394,567.84 and 360,789.78 is: 540,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,073.89 : 1,394,567.84 = 360,789.78 : x
  2. Step 2: Convert to fraction form
    930,073.89/1,394,567.84 = 360,789.78/x
  3. Step 3: Cross multiply
    930,073.89x = 1,394,567.84 × 360,789.78
  4. Step 4: Simplify right side
    930,073.89x = 503,145,822,384.73
  5. Step 5: Solve for x
    x = 503,145,822,384.73/930,073.89
  6. Step 6: Final answer
    x = 540,974.03

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1.5x scale

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.