Home / 988,933.84-1,483,649.50-456,831.34

Finding the Fourth Proportional to 988,933.84, 1,483,649.50 and 456,831.34

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Solution

The fourth proportional to 988,933.84, 1,483,649.50 and 456,831.34 is: 685,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,933.84 : 1,483,649.50 = 456,831.34 : x
  2. Step 2: Convert to fraction form
    988,933.84/1,483,649.50 = 456,831.34/x
  3. Step 3: Cross multiply
    988,933.84x = 1,483,649.50 × 456,831.34
  4. Step 4: Simplify right side
    988,933.84x = 677,777,589,175.33
  5. Step 5: Solve for x
    x = 677,777,589,175.33/988,933.84
  6. Step 6: Final answer
    x = 685,361.91

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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.