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Finding the Fourth Proportional to 629,959.42, 945,332.65 and 255,982.30

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Solution

The fourth proportional to 629,959.42, 945,332.65 and 255,982.30 is: 384,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,959.42 : 945,332.65 = 255,982.30 : x
  2. Step 2: Convert to fraction form
    629,959.42/945,332.65 = 255,982.30/x
  3. Step 3: Cross multiply
    629,959.42x = 945,332.65 × 255,982.30
  4. Step 4: Simplify right side
    629,959.42x = 241,988,426,012.10
  5. Step 5: Solve for x
    x = 241,988,426,012.10/629,959.42
  6. Step 6: Final answer
    x = 384,133.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.