Home / 998,004.60-1,497,006.90-288,055.80

Finding the Fourth Proportional to 998,004.60, 1,497,006.90 and 288,055.80

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Solution

The fourth proportional to 998,004.60, 1,497,006.90 and 288,055.80 is: 432,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,004.60 : 1,497,006.90 = 288,055.80 : x
  2. Step 2: Convert to fraction form
    998,004.60/1,497,006.90 = 288,055.80/x
  3. Step 3: Cross multiply
    998,004.60x = 1,497,006.90 × 288,055.80
  4. Step 4: Simplify right side
    998,004.60x = 431,221,520,185.02
  5. Step 5: Solve for x
    x = 431,221,520,185.02/998,004.60
  6. Step 6: Final answer
    x = 432,083.70

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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.