Home / 626,423.68-864,464.65-339,943.77

Finding the Fourth Proportional to 626,423.68, 864,464.65 and 339,943.77

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Solution

The fourth proportional to 626,423.68, 864,464.65 and 339,943.77 is: 469,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,423.68 : 864,464.65 = 339,943.77 : x
  2. Step 2: Convert to fraction form
    626,423.68/864,464.65 = 339,943.77/x
  3. Step 3: Cross multiply
    626,423.68x = 864,464.65 × 339,943.77
  4. Step 4: Simplify right side
    626,423.68x = 293,869,372,152.73
  5. Step 5: Solve for x
    x = 293,869,372,152.73/626,423.68
  6. Step 6: Final answer
    x = 469,122.39

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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.