Home / 965,474.20-1,448,729.70-404,565.40

Finding the Fourth Proportional to 965,474.20, 1,448,729.70 and 404,565.40

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Solution

The fourth proportional to 965,474.20, 1,448,729.70 and 404,565.40 is: 607,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,474.20 : 1,448,729.70 = 404,565.40 : x
  2. Step 2: Convert to fraction form
    965,474.20/1,448,729.70 = 404,565.40/x
  3. Step 3: Cross multiply
    965,474.20x = 1,448,729.70 × 404,565.40
  4. Step 4: Simplify right side
    965,474.20x = 586,105,910,572.38
  5. Step 5: Solve for x
    x = 586,105,910,572.38/965,474.20
  6. Step 6: Final answer
    x = 607,065.33

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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.