Home / 453,439.59-679,412.04-263,366.39

Finding the Fourth Proportional to 453,439.59, 679,412.04 and 263,366.39

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Solution

The fourth proportional to 453,439.59, 679,412.04 and 263,366.39 is: 394,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,439.59 : 679,412.04 = 263,366.39 : x
  2. Step 2: Convert to fraction form
    453,439.59/679,412.04 = 263,366.39/x
  3. Step 3: Cross multiply
    453,439.59x = 679,412.04 × 263,366.39
  4. Step 4: Simplify right side
    453,439.59x = 178,934,298,489.68
  5. Step 5: Solve for x
    x = 178,934,298,489.68/453,439.59
  6. Step 6: Final answer
    x = 394,615.52

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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.