Home / 891,361.64-1,337,450.70-386,077.16

Finding the Fourth Proportional to 891,361.64, 1,337,450.70 and 386,077.16

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Solution

The fourth proportional to 891,361.64, 1,337,450.70 and 386,077.16 is: 579,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,361.64 : 1,337,450.70 = 386,077.16 : x
  2. Step 2: Convert to fraction form
    891,361.64/1,337,450.70 = 386,077.16/x
  3. Step 3: Cross multiply
    891,361.64x = 1,337,450.70 × 386,077.16
  4. Step 4: Simplify right side
    891,361.64x = 516,359,167,896.01
  5. Step 5: Solve for x
    x = 516,359,167,896.01/891,361.64
  6. Step 6: Final answer
    x = 579,292.56

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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.