Home / 998,562.60-1,498,038.30-429,942.60

Finding the Fourth Proportional to 998,562.60, 1,498,038.30 and 429,942.60

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Solution

The fourth proportional to 998,562.60, 1,498,038.30 and 429,942.60 is: 644,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,562.60 : 1,498,038.30 = 429,942.60 : x
  2. Step 2: Convert to fraction form
    998,562.60/1,498,038.30 = 429,942.60/x
  3. Step 3: Cross multiply
    998,562.60x = 1,498,038.30 × 429,942.60
  4. Step 4: Simplify right side
    998,562.60x = 644,070,481,601.58
  5. Step 5: Solve for x
    x = 644,070,481,601.58/998,562.60
  6. Step 6: Final answer
    x = 644,997.60

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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.