Home / 739,824.43-1,020,848.25-449,284.90

Finding the Fourth Proportional to 739,824.43, 1,020,848.25 and 449,284.90

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Solution

The fourth proportional to 739,824.43, 1,020,848.25 and 449,284.90 is: 619,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,824.43 : 1,020,848.25 = 449,284.90 : x
  2. Step 2: Convert to fraction form
    739,824.43/1,020,848.25 = 449,284.90/x
  3. Step 3: Cross multiply
    739,824.43x = 1,020,848.25 × 449,284.90
  4. Step 4: Simplify right side
    739,824.43x = 458,651,703,916.43
  5. Step 5: Solve for x
    x = 458,651,703,916.43/739,824.43
  6. Step 6: Final answer
    x = 619,946.69

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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.