Home / 723,951.99-1,085,257.65-268,289.55

Finding the Fourth Proportional to 723,951.99, 1,085,257.65 and 268,289.55

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Solution

The fourth proportional to 723,951.99, 1,085,257.65 and 268,289.55 is: 402,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,951.99 : 1,085,257.65 = 268,289.55 : x
  2. Step 2: Convert to fraction form
    723,951.99/1,085,257.65 = 268,289.55/x
  3. Step 3: Cross multiply
    723,951.99x = 1,085,257.65 × 268,289.55
  4. Step 4: Simplify right side
    723,951.99x = 291,163,286,552.56
  5. Step 5: Solve for x
    x = 291,163,286,552.56/723,951.99
  6. Step 6: Final answer
    x = 402,185.91

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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.