Home / 766,911.86-1,058,317.17-427,371.38

Finding the Fourth Proportional to 766,911.86, 1,058,317.17 and 427,371.38

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Solution

The fourth proportional to 766,911.86, 1,058,317.17 and 427,371.38 is: 589,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,911.86 : 1,058,317.17 = 427,371.38 : x
  2. Step 2: Convert to fraction form
    766,911.86/1,058,317.17 = 427,371.38/x
  3. Step 3: Cross multiply
    766,911.86x = 1,058,317.17 × 427,371.38
  4. Step 4: Simplify right side
    766,911.86x = 452,294,469,420.60
  5. Step 5: Solve for x
    x = 452,294,469,420.60/766,911.86
  6. Step 6: Final answer
    x = 589,760.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.