Home / 401,764.14-554,450.47-220,482.60

Finding the Fourth Proportional to 401,764.14, 554,450.47 and 220,482.60

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Solution

The fourth proportional to 401,764.14, 554,450.47 and 220,482.60 is: 304,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,764.14 : 554,450.47 = 220,482.60 : x
  2. Step 2: Convert to fraction form
    401,764.14/554,450.47 = 220,482.60/x
  3. Step 3: Cross multiply
    401,764.14x = 554,450.47 × 220,482.60
  4. Step 4: Simplify right side
    401,764.14x = 122,246,680,361.90
  5. Step 5: Solve for x
    x = 122,246,680,361.90/401,764.14
  6. Step 6: Final answer
    x = 304,274.74

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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.