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Finding the Fourth Proportional to 626,524.76, 864,604.59 and 340,044.85

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Solution

The fourth proportional to 626,524.76, 864,604.59 and 340,044.85 is: 469,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,524.76 : 864,604.59 = 340,044.85 : x
  2. Step 2: Convert to fraction form
    626,524.76/864,604.59 = 340,044.85/x
  3. Step 3: Cross multiply
    626,524.76x = 864,604.59 × 340,044.85
  4. Step 4: Simplify right side
    626,524.76x = 294,004,337,921.45
  5. Step 5: Solve for x
    x = 294,004,337,921.45/626,524.76
  6. Step 6: Final answer
    x = 469,262.12

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Half scale
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Double scale
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1.5x scale

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.