Home / 987,258.99-1,480,943.87-277,231.67

Finding the Fourth Proportional to 987,258.99, 1,480,943.87 and 277,231.67

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Solution

The fourth proportional to 987,258.99, 1,480,943.87 and 277,231.67 is: 415,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,258.99 : 1,480,943.87 = 277,231.67 : x
  2. Step 2: Convert to fraction form
    987,258.99/1,480,943.87 = 277,231.67/x
  3. Step 3: Cross multiply
    987,258.99x = 1,480,943.87 × 277,231.67
  4. Step 4: Simplify right side
    987,258.99x = 410,564,535,544.72
  5. Step 5: Solve for x
    x = 410,564,535,544.72/987,258.99
  6. Step 6: Final answer
    x = 415,863.05

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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.