Home / 479,723.42-662,000.88-261,928.08

Finding the Fourth Proportional to 479,723.42, 662,000.88 and 261,928.08

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Solution

The fourth proportional to 479,723.42, 662,000.88 and 261,928.08 is: 361,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,723.42 : 662,000.88 = 261,928.08 : x
  2. Step 2: Convert to fraction form
    479,723.42/662,000.88 = 261,928.08/x
  3. Step 3: Cross multiply
    479,723.42x = 662,000.88 × 261,928.08
  4. Step 4: Simplify right side
    479,723.42x = 173,396,619,456.71
  5. Step 5: Solve for x
    x = 173,396,619,456.71/479,723.42
  6. Step 6: Final answer
    x = 361,451.23

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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.