Home / 479,323.02-661,524.36-275,373.60

Finding the Fourth Proportional to 479,323.02, 661,524.36 and 275,373.60

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Solution

The fourth proportional to 479,323.02, 661,524.36 and 275,373.60 is: 380,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,323.02 : 661,524.36 = 275,373.60 : x
  2. Step 2: Convert to fraction form
    479,323.02/661,524.36 = 275,373.60/x
  3. Step 3: Cross multiply
    479,323.02x = 661,524.36 × 275,373.60
  4. Step 4: Simplify right side
    479,323.02x = 182,166,344,500.90
  5. Step 5: Solve for x
    x = 182,166,344,500.90/479,323.02
  6. Step 6: Final answer
    x = 380,049.23

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1.5x scale

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.