Home / 739,823.43-1,020,846.87-449,283.90

Finding the Fourth Proportional to 739,823.43, 1,020,846.87 and 449,283.90

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Solution

The fourth proportional to 739,823.43, 1,020,846.87 and 449,283.90 is: 619,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,823.43 : 1,020,846.87 = 449,283.90 : x
  2. Step 2: Convert to fraction form
    739,823.43/1,020,846.87 = 449,283.90/x
  3. Step 3: Cross multiply
    739,823.43x = 1,020,846.87 × 449,283.90
  4. Step 4: Simplify right side
    739,823.43x = 458,650,063,056.39
  5. Step 5: Solve for x
    x = 458,650,063,056.39/739,823.43
  6. Step 6: Final answer
    x = 619,945.31

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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.