Home / 998,657.97-1,497,997.88-288,692.16

Finding the Fourth Proportional to 998,657.97, 1,497,997.88 and 288,692.16

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Solution

The fourth proportional to 998,657.97, 1,497,997.88 and 288,692.16 is: 433,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,657.97 : 1,497,997.88 = 288,692.16 : x
  2. Step 2: Convert to fraction form
    998,657.97/1,497,997.88 = 288,692.16/x
  3. Step 3: Cross multiply
    998,657.97x = 1,497,997.88 × 288,692.16
  4. Step 4: Simplify right side
    998,657.97x = 432,460,239,298.16
  5. Step 5: Solve for x
    x = 432,460,239,298.16/998,657.97
  6. Step 6: Final answer
    x = 433,041.40

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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.