Home / 998,021.40-1,497,250.80-492,824.40

Finding the Fourth Proportional to 998,021.40, 1,497,250.80 and 492,824.40

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Solution

The fourth proportional to 998,021.40, 1,497,250.80 and 492,824.40 is: 739,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,021.40 : 1,497,250.80 = 492,824.40 : x
  2. Step 2: Convert to fraction form
    998,021.40/1,497,250.80 = 492,824.40/x
  3. Step 3: Cross multiply
    998,021.40x = 1,497,250.80 × 492,824.40
  4. Step 4: Simplify right side
    998,021.40x = 737,881,727,159.52
  5. Step 5: Solve for x
    x = 737,881,727,159.52/998,021.40
  6. Step 6: Final answer
    x = 739,344.59

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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.