Home / 661,094.06-991,921.70-361,224.35

Finding the Fourth Proportional to 661,094.06, 991,921.70 and 361,224.35

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Solution

The fourth proportional to 661,094.06, 991,921.70 and 361,224.35 is: 541,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,094.06 : 991,921.70 = 361,224.35 : x
  2. Step 2: Convert to fraction form
    661,094.06/991,921.70 = 361,224.35/x
  3. Step 3: Cross multiply
    661,094.06x = 991,921.70 × 361,224.35
  4. Step 4: Simplify right side
    661,094.06x = 358,306,267,276.85
  5. Step 5: Solve for x
    x = 358,306,267,276.85/661,094.06
  6. Step 6: Final answer
    x = 541,989.84

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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.