Home / 443,789.71-612,429.77-239,841.02

Finding the Fourth Proportional to 443,789.71, 612,429.77 and 239,841.02

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Solution

The fourth proportional to 443,789.71, 612,429.77 and 239,841.02 is: 330,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,789.71 : 612,429.77 = 239,841.02 : x
  2. Step 2: Convert to fraction form
    443,789.71/612,429.77 = 239,841.02/x
  3. Step 3: Cross multiply
    443,789.71x = 612,429.77 × 239,841.02
  4. Step 4: Simplify right side
    443,789.71x = 146,885,782,845.84
  5. Step 5: Solve for x
    x = 146,885,782,845.84/443,789.71
  6. Step 6: Final answer
    x = 330,980.60

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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.