Home / 998,450.40-1,497,894.30-493,253.40

Finding the Fourth Proportional to 998,450.40, 1,497,894.30 and 493,253.40

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Solution

The fourth proportional to 998,450.40, 1,497,894.30 and 493,253.40 is: 739,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,450.40 : 1,497,894.30 = 493,253.40 : x
  2. Step 2: Convert to fraction form
    998,450.40/1,497,894.30 = 493,253.40/x
  3. Step 3: Cross multiply
    998,450.40x = 1,497,894.30 × 493,253.40
  4. Step 4: Simplify right side
    998,450.40x = 738,841,456,315.62
  5. Step 5: Solve for x
    x = 738,841,456,315.62/998,450.40
  6. Step 6: Final answer
    x = 739,988.14

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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.