Home / 739,481.01-1,020,483.89-399,949.26

Finding the Fourth Proportional to 739,481.01, 1,020,483.89 and 399,949.26

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Solution

The fourth proportional to 739,481.01, 1,020,483.89 and 399,949.26 is: 551,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,481.01 : 1,020,483.89 = 399,949.26 : x
  2. Step 2: Convert to fraction form
    739,481.01/1,020,483.89 = 399,949.26/x
  3. Step 3: Cross multiply
    739,481.01x = 1,020,483.89 × 399,949.26
  4. Step 4: Simplify right side
    739,481.01x = 408,141,774,647.68
  5. Step 5: Solve for x
    x = 408,141,774,647.68/739,481.01
  6. Step 6: Final answer
    x = 551,930.03

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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.