Home / 728,769.78-1,093,123.26-249,040.44

Finding the Fourth Proportional to 728,769.78, 1,093,123.26 and 249,040.44

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Solution

The fourth proportional to 728,769.78, 1,093,123.26 and 249,040.44 is: 373,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,769.78 : 1,093,123.26 = 249,040.44 : x
  2. Step 2: Convert to fraction form
    728,769.78/1,093,123.26 = 249,040.44/x
  3. Step 3: Cross multiply
    728,769.78x = 1,093,123.26 × 249,040.44
  4. Step 4: Simplify right side
    728,769.78x = 272,231,897,644.63
  5. Step 5: Solve for x
    x = 272,231,897,644.63/728,769.78
  6. Step 6: Final answer
    x = 373,549.93

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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.