Home / 997,418.60-1,498,342.31-618,619.31

Finding the Fourth Proportional to 997,418.60, 1,498,342.31 and 618,619.31

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Solution

The fourth proportional to 997,418.60, 1,498,342.31 and 618,619.31 is: 929,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,418.60 : 1,498,342.31 = 618,619.31 : x
  2. Step 2: Convert to fraction form
    997,418.60/1,498,342.31 = 618,619.31/x
  3. Step 3: Cross multiply
    997,418.60x = 1,498,342.31 × 618,619.31
  4. Step 4: Simplify right side
    997,418.60x = 926,903,482,862.91
  5. Step 5: Solve for x
    x = 926,903,482,862.91/997,418.60
  6. Step 6: Final answer
    x = 929,302.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.