Home / 629,043.20-941,721.60-555,315.20

Finding the Fourth Proportional to 629,043.20, 941,721.60 and 555,315.20

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Solution

The fourth proportional to 629,043.20, 941,721.60 and 555,315.20 is: 831,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,043.20 : 941,721.60 = 555,315.20 : x
  2. Step 2: Convert to fraction form
    629,043.20/941,721.60 = 555,315.20/x
  3. Step 3: Cross multiply
    629,043.20x = 941,721.60 × 555,315.20
  4. Step 4: Simplify right side
    629,043.20x = 522,952,318,648.32
  5. Step 5: Solve for x
    x = 522,952,318,648.32/629,043.20
  6. Step 6: Final answer
    x = 831,345.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.