Home / 781,650.69-1,171,875.25-397,083.37

Finding the Fourth Proportional to 781,650.69, 1,171,875.25 and 397,083.37

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Solution

The fourth proportional to 781,650.69, 1,171,875.25 and 397,083.37 is: 595,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,650.69 : 1,171,875.25 = 397,083.37 : x
  2. Step 2: Convert to fraction form
    781,650.69/1,171,875.25 = 397,083.37/x
  3. Step 3: Cross multiply
    781,650.69x = 1,171,875.25 × 397,083.37
  4. Step 4: Simplify right side
    781,650.69x = 465,332,173,489.59
  5. Step 5: Solve for x
    x = 465,332,173,489.59/781,650.69
  6. Step 6: Final answer
    x = 595,319.85

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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.