Home / 451,028.58-622,420.20-247,075.04

Finding the Fourth Proportional to 451,028.58, 622,420.20 and 247,075.04

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Solution

The fourth proportional to 451,028.58, 622,420.20 and 247,075.04 is: 340,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,028.58 : 622,420.20 = 247,075.04 : x
  2. Step 2: Convert to fraction form
    451,028.58/622,420.20 = 247,075.04/x
  3. Step 3: Cross multiply
    451,028.58x = 622,420.20 × 247,075.04
  4. Step 4: Simplify right side
    451,028.58x = 153,784,492,699.71
  5. Step 5: Solve for x
    x = 153,784,492,699.71/451,028.58
  6. Step 6: Final answer
    x = 340,963.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.