Home / 479,923.44-719,972.64-240,162.72

Finding the Fourth Proportional to 479,923.44, 719,972.64 and 240,162.72

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Solution

The fourth proportional to 479,923.44, 719,972.64 and 240,162.72 is: 360,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,923.44 : 719,972.64 = 240,162.72 : x
  2. Step 2: Convert to fraction form
    479,923.44/719,972.64 = 240,162.72/x
  3. Step 3: Cross multiply
    479,923.44x = 719,972.64 × 240,162.72
  4. Step 4: Simplify right side
    479,923.44x = 172,910,587,547.98
  5. Step 5: Solve for x
    x = 172,910,587,547.98/479,923.44
  6. Step 6: Final answer
    x = 360,287.86

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1.5x scale

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.