Home / 627,782.40-941,731.20-207,059.20

Finding the Fourth Proportional to 627,782.40, 941,731.20 and 207,059.20

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Solution

The fourth proportional to 627,782.40, 941,731.20 and 207,059.20 is: 310,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,782.40 : 941,731.20 = 207,059.20 : x
  2. Step 2: Convert to fraction form
    627,782.40/941,731.20 = 207,059.20/x
  3. Step 3: Cross multiply
    627,782.40x = 941,731.20 × 207,059.20
  4. Step 4: Simplify right side
    627,782.40x = 194,994,108,887.04
  5. Step 5: Solve for x
    x = 194,994,108,887.04/627,782.40
  6. Step 6: Final answer
    x = 310,607.80

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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.