Home / 998,019.60-1,497,029.40-288,070.80

Finding the Fourth Proportional to 998,019.60, 1,497,029.40 and 288,070.80

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Solution

The fourth proportional to 998,019.60, 1,497,029.40 and 288,070.80 is: 432,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,019.60 : 1,497,029.40 = 288,070.80 : x
  2. Step 2: Convert to fraction form
    998,019.60/1,497,029.40 = 288,070.80/x
  3. Step 3: Cross multiply
    998,019.60x = 1,497,029.40 × 288,070.80
  4. Step 4: Simplify right side
    998,019.60x = 431,250,456,881.52
  5. Step 5: Solve for x
    x = 431,250,456,881.52/998,019.60
  6. Step 6: Final answer
    x = 432,106.20

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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.