Home / 987,217.73-1,480,826.63-239,263.73

Finding the Fourth Proportional to 987,217.73, 1,480,826.63 and 239,263.73

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Solution

The fourth proportional to 987,217.73, 1,480,826.63 and 239,263.73 is: 358,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,217.73 : 1,480,826.63 = 239,263.73 : x
  2. Step 2: Convert to fraction form
    987,217.73/1,480,826.63 = 239,263.73/x
  3. Step 3: Cross multiply
    987,217.73x = 1,480,826.63 × 239,263.73
  4. Step 4: Simplify right side
    987,217.73x = 354,308,108,708.05
  5. Step 5: Solve for x
    x = 354,308,108,708.05/987,217.73
  6. Step 6: Final answer
    x = 358,895.61

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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.