Home / 627,970.10-941,663.55-272,801.30

Finding the Fourth Proportional to 627,970.10, 941,663.55 and 272,801.30

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Solution

The fourth proportional to 627,970.10, 941,663.55 and 272,801.30 is: 409,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,970.10 : 941,663.55 = 272,801.30 : x
  2. Step 2: Convert to fraction form
    627,970.10/941,663.55 = 272,801.30/x
  3. Step 3: Cross multiply
    627,970.10x = 941,663.55 × 272,801.30
  4. Step 4: Simplify right side
    627,970.10x = 256,887,040,602.62
  5. Step 5: Solve for x
    x = 256,887,040,602.62/627,970.10
  6. Step 6: Final answer
    x = 409,075.27

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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.