Home / 639,075.61-958,374.19-274,291.16

Finding the Fourth Proportional to 639,075.61, 958,374.19 and 274,291.16

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Solution

The fourth proportional to 639,075.61, 958,374.19 and 274,291.16 is: 411,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,075.61 : 958,374.19 = 274,291.16 : x
  2. Step 2: Convert to fraction form
    639,075.61/958,374.19 = 274,291.16/x
  3. Step 3: Cross multiply
    639,075.61x = 958,374.19 × 274,291.16
  4. Step 4: Simplify right side
    639,075.61x = 262,873,568,289.16
  5. Step 5: Solve for x
    x = 262,873,568,289.16/639,075.61
  6. Step 6: Final answer
    x = 411,334.06

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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.