Home / 739,974.14-1,021,167.50-400,442.39

Finding the Fourth Proportional to 739,974.14, 1,021,167.50 and 400,442.39

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Solution

The fourth proportional to 739,974.14, 1,021,167.50 and 400,442.39 is: 552,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,974.14 : 1,021,167.50 = 400,442.39 : x
  2. Step 2: Convert to fraction form
    739,974.14/1,021,167.50 = 400,442.39/x
  3. Step 3: Cross multiply
    739,974.14x = 1,021,167.50 × 400,442.39
  4. Step 4: Simplify right side
    739,974.14x = 408,918,754,290.33
  5. Step 5: Solve for x
    x = 408,918,754,290.33/739,974.14
  6. Step 6: Final answer
    x = 552,612.22

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1.5x scale

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.