Home / 646,042.20-891,529.35-359,562.24

Finding the Fourth Proportional to 646,042.20, 891,529.35 and 359,562.24

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Solution

The fourth proportional to 646,042.20, 891,529.35 and 359,562.24 is: 496,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,042.20 : 891,529.35 = 359,562.24 : x
  2. Step 2: Convert to fraction form
    646,042.20/891,529.35 = 359,562.24/x
  3. Step 3: Cross multiply
    646,042.20x = 891,529.35 × 359,562.24
  4. Step 4: Simplify right side
    646,042.20x = 320,560,290,111.74
  5. Step 5: Solve for x
    x = 320,560,290,111.74/646,042.20
  6. Step 6: Final answer
    x = 496,190.95

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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.