Home / 890,361.66-1,228,721.64-546,387.54

Finding the Fourth Proportional to 890,361.66, 1,228,721.64 and 546,387.54

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Solution

The fourth proportional to 890,361.66, 1,228,721.64 and 546,387.54 is: 754,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,361.66 : 1,228,721.64 = 546,387.54 : x
  2. Step 2: Convert to fraction form
    890,361.66/1,228,721.64 = 546,387.54/x
  3. Step 3: Cross multiply
    890,361.66x = 1,228,721.64 × 546,387.54
  4. Step 4: Simplify right side
    890,361.66x = 671,358,194,224.37
  5. Step 5: Solve for x
    x = 671,358,194,224.37/890,361.66
  6. Step 6: Final answer
    x = 754,028.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.