Home / 641,473.07-962,423.37-215,051.05

Finding the Fourth Proportional to 641,473.07, 962,423.37 and 215,051.05

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Solution

The fourth proportional to 641,473.07, 962,423.37 and 215,051.05 is: 322,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,473.07 : 962,423.37 = 215,051.05 : x
  2. Step 2: Convert to fraction form
    641,473.07/962,423.37 = 215,051.05/x
  3. Step 3: Cross multiply
    641,473.07x = 962,423.37 × 215,051.05
  4. Step 4: Simplify right side
    641,473.07x = 206,970,157,466.07
  5. Step 5: Solve for x
    x = 206,970,157,466.07/641,473.07
  6. Step 6: Final answer
    x = 322,648.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.