Home / 626,423.42-864,464.86-339,943.48

Finding the Fourth Proportional to 626,423.42, 864,464.86 and 339,943.48

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Solution

The fourth proportional to 626,423.42, 864,464.86 and 339,943.48 is: 469,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,423.42 : 864,464.86 = 339,943.48 : x
  2. Step 2: Convert to fraction form
    626,423.42/864,464.86 = 339,943.48/x
  3. Step 3: Cross multiply
    626,423.42x = 864,464.86 × 339,943.48
  4. Step 4: Simplify right side
    626,423.42x = 293,869,192,846.11
  5. Step 5: Solve for x
    x = 293,869,192,846.11/626,423.42
  6. Step 6: Final answer
    x = 469,122.30

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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.