Home / 767,765.28-1,059,519.75-423,601.20

Finding the Fourth Proportional to 767,765.28, 1,059,519.75 and 423,601.20

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Solution

The fourth proportional to 767,765.28, 1,059,519.75 and 423,601.20 is: 584,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,765.28 : 1,059,519.75 = 423,601.20 : x
  2. Step 2: Convert to fraction form
    767,765.28/1,059,519.75 = 423,601.20/x
  3. Step 3: Cross multiply
    767,765.28x = 1,059,519.75 × 423,601.20
  4. Step 4: Simplify right side
    767,765.28x = 448,813,837,523.70
  5. Step 5: Solve for x
    x = 448,813,837,523.70/767,765.28
  6. Step 6: Final answer
    x = 584,571.68

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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.