Home / 479,020.16-718,975.20-242,530.40

Finding the Fourth Proportional to 479,020.16, 718,975.20 and 242,530.40

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Solution

The fourth proportional to 479,020.16, 718,975.20 and 242,530.40 is: 364,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,020.16 : 718,975.20 = 242,530.40 : x
  2. Step 2: Convert to fraction form
    479,020.16/718,975.20 = 242,530.40/x
  3. Step 3: Cross multiply
    479,020.16x = 718,975.20 × 242,530.40
  4. Step 4: Simplify right side
    479,020.16x = 174,373,342,846.08
  5. Step 5: Solve for x
    x = 174,373,342,846.08/479,020.16
  6. Step 6: Final answer
    x = 364,020.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.