Home / 892,416.40-1,339,156.49-323,841.87

Finding the Fourth Proportional to 892,416.40, 1,339,156.49 and 323,841.87

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Solution

The fourth proportional to 892,416.40, 1,339,156.49 and 323,841.87 is: 485,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,416.40 : 1,339,156.49 = 323,841.87 : x
  2. Step 2: Convert to fraction form
    892,416.40/1,339,156.49 = 323,841.87/x
  3. Step 3: Cross multiply
    892,416.40x = 1,339,156.49 × 323,841.87
  4. Step 4: Simplify right side
    892,416.40x = 433,674,941,944.24
  5. Step 5: Solve for x
    x = 433,674,941,944.24/892,416.40
  6. Step 6: Final answer
    x = 485,955.82

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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.