Home / 622,240.60-931,028.10-412,288.60

Finding the Fourth Proportional to 622,240.60, 931,028.10 and 412,288.60

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Solution

The fourth proportional to 622,240.60, 931,028.10 and 412,288.60 is: 616,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,240.60 : 931,028.10 = 412,288.60 : x
  2. Step 2: Convert to fraction form
    622,240.60/931,028.10 = 412,288.60/x
  3. Step 3: Cross multiply
    622,240.60x = 931,028.10 × 412,288.60
  4. Step 4: Simplify right side
    622,240.60x = 383,852,271,909.66
  5. Step 5: Solve for x
    x = 383,852,271,909.66/622,240.60
  6. Step 6: Final answer
    x = 616,887.22

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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.