Home / 889,495.11-1,334,372.67-258,326.91

Finding the Fourth Proportional to 889,495.11, 1,334,372.67 and 258,326.91

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Solution

The fourth proportional to 889,495.11, 1,334,372.67 and 258,326.91 is: 387,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,495.11 : 1,334,372.67 = 258,326.91 : x
  2. Step 2: Convert to fraction form
    889,495.11/1,334,372.67 = 258,326.91/x
  3. Step 3: Cross multiply
    889,495.11x = 1,334,372.67 × 258,326.91
  4. Step 4: Simplify right side
    889,495.11x = 344,704,368,629.55
  5. Step 5: Solve for x
    x = 344,704,368,629.55/889,495.11
  6. Step 6: Final answer
    x = 387,528.12

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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.