Home / 889,429.78-1,334,394.10-357,324.48

Finding the Fourth Proportional to 889,429.78, 1,334,394.10 and 357,324.48

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Solution

The fourth proportional to 889,429.78, 1,334,394.10 and 357,324.48 is: 536,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,429.78 : 1,334,394.10 = 357,324.48 : x
  2. Step 2: Convert to fraction form
    889,429.78/1,334,394.10 = 357,324.48/x
  3. Step 3: Cross multiply
    889,429.78x = 1,334,394.10 × 357,324.48
  4. Step 4: Simplify right side
    889,429.78x = 476,811,678,344.22
  5. Step 5: Solve for x
    x = 476,811,678,344.22/889,429.78
  6. Step 6: Final answer
    x = 536,086.93

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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.