Home / 827,930.51-1,242,377.64-348,123.59

Finding the Fourth Proportional to 827,930.51, 1,242,377.64 and 348,123.59

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Solution

The fourth proportional to 827,930.51, 1,242,377.64 and 348,123.59 is: 522,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,930.51 : 1,242,377.64 = 348,123.59 : x
  2. Step 2: Convert to fraction form
    827,930.51/1,242,377.64 = 348,123.59/x
  3. Step 3: Cross multiply
    827,930.51x = 1,242,377.64 × 348,123.59
  4. Step 4: Simplify right side
    827,930.51x = 432,500,957,960.64
  5. Step 5: Solve for x
    x = 432,500,957,960.64/827,930.51
  6. Step 6: Final answer
    x = 522,388.00

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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.