Home / 626,785.83-864,981.99-340,324.47

Finding the Fourth Proportional to 626,785.83, 864,981.99 and 340,324.47

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Solution

The fourth proportional to 626,785.83, 864,981.99 and 340,324.47 is: 469,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,785.83 : 864,981.99 = 340,324.47 : x
  2. Step 2: Convert to fraction form
    626,785.83/864,981.99 = 340,324.47/x
  3. Step 3: Cross multiply
    626,785.83x = 864,981.99 × 340,324.47
  4. Step 4: Simplify right side
    626,785.83x = 294,374,537,306.30
  5. Step 5: Solve for x
    x = 294,374,537,306.30/626,785.83
  6. Step 6: Final answer
    x = 469,657.29

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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.