Home / 997,440.03-1,498,374.60-618,640.83

Finding the Fourth Proportional to 997,440.03, 1,498,374.60 and 618,640.83

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Solution

The fourth proportional to 997,440.03, 1,498,374.60 and 618,640.83 is: 929,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,440.03 : 1,498,374.60 = 618,640.83 : x
  2. Step 2: Convert to fraction form
    997,440.03/1,498,374.60 = 618,640.83/x
  3. Step 3: Cross multiply
    997,440.03x = 1,498,374.60 × 618,640.83
  4. Step 4: Simplify right side
    997,440.03x = 926,955,706,194.92
  5. Step 5: Solve for x
    x = 926,955,706,194.92/997,440.03
  6. Step 6: Final answer
    x = 929,334.78

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1.5x scale

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.