Home / 998,426.55-1,497,639.83-620,512.95

Finding the Fourth Proportional to 998,426.55, 1,497,639.83 and 620,512.95

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Solution

The fourth proportional to 998,426.55, 1,497,639.83 and 620,512.95 is: 930,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,426.55 : 1,497,639.83 = 620,512.95 : x
  2. Step 2: Convert to fraction form
    998,426.55/1,497,639.83 = 620,512.95/x
  3. Step 3: Cross multiply
    998,426.55x = 1,497,639.83 × 620,512.95
  4. Step 4: Simplify right side
    998,426.55x = 929,304,905,848.23
  5. Step 5: Solve for x
    x = 929,304,905,848.23/998,426.55
  6. Step 6: Final answer
    x = 930,769.43

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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.