Home / 998,110.70-1,497,166.05-288,161.90

Finding the Fourth Proportional to 998,110.70, 1,497,166.05 and 288,161.90

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Solution

The fourth proportional to 998,110.70, 1,497,166.05 and 288,161.90 is: 432,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,110.70 : 1,497,166.05 = 288,161.90 : x
  2. Step 2: Convert to fraction form
    998,110.70/1,497,166.05 = 288,161.90/x
  3. Step 3: Cross multiply
    998,110.70x = 1,497,166.05 × 288,161.90
  4. Step 4: Simplify right side
    998,110.70x = 431,426,213,583.50
  5. Step 5: Solve for x
    x = 431,426,213,583.50/998,110.70
  6. Step 6: Final answer
    x = 432,242.85

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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.