Home / 889,256.53-1,333,904.64-320,683.51

Finding the Fourth Proportional to 889,256.53, 1,333,904.64 and 320,683.51

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Solution

The fourth proportional to 889,256.53, 1,333,904.64 and 320,683.51 is: 481,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,256.53 : 1,333,904.64 = 320,683.51 : x
  2. Step 2: Convert to fraction form
    889,256.53/1,333,904.64 = 320,683.51/x
  3. Step 3: Cross multiply
    889,256.53x = 1,333,904.64 × 320,683.51
  4. Step 4: Simplify right side
    889,256.53x = 427,761,221,960.49
  5. Step 5: Solve for x
    x = 427,761,221,960.49/889,256.53
  6. Step 6: Final answer
    x = 481,032.42

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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.