Home / 891,551.53-1,337,660.21-359,223.58

Finding the Fourth Proportional to 891,551.53, 1,337,660.21 and 359,223.58

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Solution

The fourth proportional to 891,551.53, 1,337,660.21 and 359,223.58 is: 538,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,551.53 : 1,337,660.21 = 359,223.58 : x
  2. Step 2: Convert to fraction form
    891,551.53/1,337,660.21 = 359,223.58/x
  3. Step 3: Cross multiply
    891,551.53x = 1,337,660.21 × 359,223.58
  4. Step 4: Simplify right side
    891,551.53x = 480,519,089,459.75
  5. Step 5: Solve for x
    x = 480,519,089,459.75/891,551.53
  6. Step 6: Final answer
    x = 538,969.51

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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.