Home / 998,296.06-1,497,598.92-421,921.77

Finding the Fourth Proportional to 998,296.06, 1,497,598.92 and 421,921.77

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Solution

The fourth proportional to 998,296.06, 1,497,598.92 and 421,921.77 is: 632,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,296.06 : 1,497,598.92 = 421,921.77 : x
  2. Step 2: Convert to fraction form
    998,296.06/1,497,598.92 = 421,921.77/x
  3. Step 3: Cross multiply
    998,296.06x = 1,497,598.92 × 421,921.77
  4. Step 4: Simplify right side
    998,296.06x = 631,869,583,584.84
  5. Step 5: Solve for x
    x = 631,869,583,584.84/998,296.06
  6. Step 6: Final answer
    x = 632,948.09

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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.