Home / 768,512.07-1,060,542.57-446,301.36

Finding the Fourth Proportional to 768,512.07, 1,060,542.57 and 446,301.36

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Solution

The fourth proportional to 768,512.07, 1,060,542.57 and 446,301.36 is: 615,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,512.07 : 1,060,542.57 = 446,301.36 : x
  2. Step 2: Convert to fraction form
    768,512.07/1,060,542.57 = 446,301.36/x
  3. Step 3: Cross multiply
    768,512.07x = 1,060,542.57 × 446,301.36
  4. Step 4: Simplify right side
    768,512.07x = 473,321,591,328.90
  5. Step 5: Solve for x
    x = 473,321,591,328.90/768,512.07
  6. Step 6: Final answer
    x = 615,893.50

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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.