Home / 627,328.80-940,464.21-272,075.25

Finding the Fourth Proportional to 627,328.80, 940,464.21 and 272,075.25

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Solution

The fourth proportional to 627,328.80, 940,464.21 and 272,075.25 is: 407,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,328.80 : 940,464.21 = 272,075.25 : x
  2. Step 2: Convert to fraction form
    627,328.80/940,464.21 = 272,075.25/x
  3. Step 3: Cross multiply
    627,328.80x = 940,464.21 × 272,075.25
  4. Step 4: Simplify right side
    627,328.80x = 255,877,035,051.80
  5. Step 5: Solve for x
    x = 255,877,035,051.80/627,328.80
  6. Step 6: Final answer
    x = 407,883.45

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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.