Home / 998,297.19-1,497,600.61-421,922.89

Finding the Fourth Proportional to 998,297.19, 1,497,600.61 and 421,922.89

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Solution

The fourth proportional to 998,297.19, 1,497,600.61 and 421,922.89 is: 632,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,297.19 : 1,497,600.61 = 421,922.89 : x
  2. Step 2: Convert to fraction form
    998,297.19/1,497,600.61 = 421,922.89/x
  3. Step 3: Cross multiply
    998,297.19x = 1,497,600.61 × 421,922.89
  4. Step 4: Simplify right side
    998,297.19x = 631,871,978,254.16
  5. Step 5: Solve for x
    x = 631,871,978,254.16/998,297.19
  6. Step 6: Final answer
    x = 632,949.77

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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.