Home / 892,421.51-1,339,164.12-323,846.93

Finding the Fourth Proportional to 892,421.51, 1,339,164.12 and 323,846.93

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Solution

The fourth proportional to 892,421.51, 1,339,164.12 and 323,846.93 is: 485,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,421.51 : 1,339,164.12 = 323,846.93 : x
  2. Step 2: Convert to fraction form
    892,421.51/1,339,164.12 = 323,846.93/x
  3. Step 3: Cross multiply
    892,421.51x = 1,339,164.12 × 323,846.93
  4. Step 4: Simplify right side
    892,421.51x = 433,684,182,332.33
  5. Step 5: Solve for x
    x = 433,684,182,332.33/892,421.51
  6. Step 6: Final answer
    x = 485,963.39

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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.