Home / 767,198.66-1,058,734.22-427,666.91

Finding the Fourth Proportional to 767,198.66, 1,058,734.22 and 427,666.91

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Solution

The fourth proportional to 767,198.66, 1,058,734.22 and 427,666.91 is: 590,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,198.66 : 1,058,734.22 = 427,666.91 : x
  2. Step 2: Convert to fraction form
    767,198.66/1,058,734.22 = 427,666.91/x
  3. Step 3: Cross multiply
    767,198.66x = 1,058,734.22 × 427,666.91
  4. Step 4: Simplify right side
    767,198.66x = 452,785,592,378.66
  5. Step 5: Solve for x
    x = 452,785,592,378.66/767,198.66
  6. Step 6: Final answer
    x = 590,180.37

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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.