Home / 646,112.46-891,635.22-359,626.41

Finding the Fourth Proportional to 646,112.46, 891,635.22 and 359,626.41

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Solution

The fourth proportional to 646,112.46, 891,635.22 and 359,626.41 is: 496,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,112.46 : 891,635.22 = 359,626.41 : x
  2. Step 2: Convert to fraction form
    646,112.46/891,635.22 = 359,626.41/x
  3. Step 3: Cross multiply
    646,112.46x = 891,635.22 × 359,626.41
  4. Step 4: Simplify right side
    646,112.46x = 320,655,573,198.16
  5. Step 5: Solve for x
    x = 320,655,573,198.16/646,112.46
  6. Step 6: Final answer
    x = 496,284.46

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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.