Home / 931,179.36-1,396,678.32-300,545.76

Finding the Fourth Proportional to 931,179.36, 1,396,678.32 and 300,545.76

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Solution

The fourth proportional to 931,179.36, 1,396,678.32 and 300,545.76 is: 450,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,179.36 : 1,396,678.32 = 300,545.76 : x
  2. Step 2: Convert to fraction form
    931,179.36/1,396,678.32 = 300,545.76/x
  3. Step 3: Cross multiply
    931,179.36x = 1,396,678.32 × 300,545.76
  4. Step 4: Simplify right side
    931,179.36x = 419,765,747,159.92
  5. Step 5: Solve for x
    x = 419,765,747,159.92/931,179.36
  6. Step 6: Final answer
    x = 450,789.36

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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.