Home / 626,491.56-864,551.16-340,011.84

Finding the Fourth Proportional to 626,491.56, 864,551.16 and 340,011.84

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Solution

The fourth proportional to 626,491.56, 864,551.16 and 340,011.84 is: 469,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,491.56 : 864,551.16 = 340,011.84 : x
  2. Step 2: Convert to fraction form
    626,491.56/864,551.16 = 340,011.84/x
  3. Step 3: Cross multiply
    626,491.56x = 864,551.16 × 340,011.84
  4. Step 4: Simplify right side
    626,491.56x = 293,957,630,685.73
  5. Step 5: Solve for x
    x = 293,957,630,685.73/626,491.56
  6. Step 6: Final answer
    x = 469,212.44

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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.