Home / 626,772.68-864,946.27-340,292.80

Finding the Fourth Proportional to 626,772.68, 864,946.27 and 340,292.80

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Solution

The fourth proportional to 626,772.68, 864,946.27 and 340,292.80 is: 469,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,772.68 : 864,946.27 = 340,292.80 : x
  2. Step 2: Convert to fraction form
    626,772.68/864,946.27 = 340,292.80/x
  3. Step 3: Cross multiply
    626,772.68x = 864,946.27 × 340,292.80
  4. Step 4: Simplify right side
    626,772.68x = 294,334,988,067.86
  5. Step 5: Solve for x
    x = 294,334,988,067.86/626,772.68
  6. Step 6: Final answer
    x = 469,604.05

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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.