Home / 739,822.68-1,020,845.84-449,283.15

Finding the Fourth Proportional to 739,822.68, 1,020,845.84 and 449,283.15

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Solution

The fourth proportional to 739,822.68, 1,020,845.84 and 449,283.15 is: 619,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,822.68 : 1,020,845.84 = 449,283.15 : x
  2. Step 2: Convert to fraction form
    739,822.68/1,020,845.84 = 449,283.15/x
  3. Step 3: Cross multiply
    739,822.68x = 1,020,845.84 × 449,283.15
  4. Step 4: Simplify right side
    739,822.68x = 458,648,832,413.18
  5. Step 5: Solve for x
    x = 458,648,832,413.18/739,822.68
  6. Step 6: Final answer
    x = 619,944.27

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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.