Home / 475,934.50-656,789.61-274,730.50

Finding the Fourth Proportional to 475,934.50, 656,789.61 and 274,730.50

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Solution

The fourth proportional to 475,934.50, 656,789.61 and 274,730.50 is: 379,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,934.50 : 656,789.61 = 274,730.50 : x
  2. Step 2: Convert to fraction form
    475,934.50/656,789.61 = 274,730.50/x
  3. Step 3: Cross multiply
    475,934.50x = 656,789.61 × 274,730.50
  4. Step 4: Simplify right side
    475,934.50x = 180,440,137,950.11
  5. Step 5: Solve for x
    x = 180,440,137,950.11/475,934.50
  6. Step 6: Final answer
    x = 379,128.09

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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.