Home / 456,928.38-630,540.59-252,964.98

Finding the Fourth Proportional to 456,928.38, 630,540.59 and 252,964.98

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Solution

The fourth proportional to 456,928.38, 630,540.59 and 252,964.98 is: 349,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,928.38 : 630,540.59 = 252,964.98 : x
  2. Step 2: Convert to fraction form
    456,928.38/630,540.59 = 252,964.98/x
  3. Step 3: Cross multiply
    456,928.38x = 630,540.59 × 252,964.98
  4. Step 4: Simplify right side
    456,928.38x = 159,504,686,473.71
  5. Step 5: Solve for x
    x = 159,504,686,473.71/456,928.38
  6. Step 6: Final answer
    x = 349,080.28

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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.