Home / 807,962.84-1,114,938.64-445,367.96

Finding the Fourth Proportional to 807,962.84, 1,114,938.64 and 445,367.96

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Solution

The fourth proportional to 807,962.84, 1,114,938.64 and 445,367.96 is: 614,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,962.84 : 1,114,938.64 = 445,367.96 : x
  2. Step 2: Convert to fraction form
    807,962.84/1,114,938.64 = 445,367.96/x
  3. Step 3: Cross multiply
    807,962.84x = 1,114,938.64 × 445,367.96
  4. Step 4: Simplify right side
    807,962.84x = 496,557,947,621.97
  5. Step 5: Solve for x
    x = 496,557,947,621.97/807,962.84
  6. Step 6: Final answer
    x = 614,580.18

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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.