Home / 407,074.20-561,394.80-254,126.46

Finding the Fourth Proportional to 407,074.20, 561,394.80 and 254,126.46

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Solution

The fourth proportional to 407,074.20, 561,394.80 and 254,126.46 is: 350,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,074.20 : 561,394.80 = 254,126.46 : x
  2. Step 2: Convert to fraction form
    407,074.20/561,394.80 = 254,126.46/x
  3. Step 3: Cross multiply
    407,074.20x = 561,394.80 × 254,126.46
  4. Step 4: Simplify right side
    407,074.20x = 142,665,273,186.41
  5. Step 5: Solve for x
    x = 142,665,273,186.41/407,074.20
  6. Step 6: Final answer
    x = 350,465.03

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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.