Home / 492,310.04-679,423.70-274,533.44

Finding the Fourth Proportional to 492,310.04, 679,423.70 and 274,533.44

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Solution

The fourth proportional to 492,310.04, 679,423.70 and 274,533.44 is: 378,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,310.04 : 679,423.70 = 274,533.44 : x
  2. Step 2: Convert to fraction form
    492,310.04/679,423.70 = 274,533.44/x
  3. Step 3: Cross multiply
    492,310.04x = 679,423.70 × 274,533.44
  4. Step 4: Simplify right side
    492,310.04x = 186,524,524,205.86
  5. Step 5: Solve for x
    x = 186,524,524,205.86/492,310.04
  6. Step 6: Final answer
    x = 378,876.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.