Home / 876,625.40-1,314,988.13-245,588.42

Finding the Fourth Proportional to 876,625.40, 1,314,988.13 and 245,588.42

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Solution

The fourth proportional to 876,625.40, 1,314,988.13 and 245,588.42 is: 368,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,625.40 : 1,314,988.13 = 245,588.42 : x
  2. Step 2: Convert to fraction form
    876,625.40/1,314,988.13 = 245,588.42/x
  3. Step 3: Cross multiply
    876,625.40x = 1,314,988.13 × 245,588.42
  4. Step 4: Simplify right side
    876,625.40x = 322,945,861,066.90
  5. Step 5: Solve for x
    x = 322,945,861,066.90/876,625.40
  6. Step 6: Final answer
    x = 368,396.65

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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.