Home / 929,135.52-1,393,700.57-255,217.47

Finding the Fourth Proportional to 929,135.52, 1,393,700.57 and 255,217.47

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Solution

The fourth proportional to 929,135.52, 1,393,700.57 and 255,217.47 is: 382,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,135.52 : 1,393,700.57 = 255,217.47 : x
  2. Step 2: Convert to fraction form
    929,135.52/1,393,700.57 = 255,217.47/x
  3. Step 3: Cross multiply
    929,135.52x = 1,393,700.57 × 255,217.47
  4. Step 4: Simplify right side
    929,135.52x = 355,696,727,867.56
  5. Step 5: Solve for x
    x = 355,696,727,867.56/929,135.52
  6. Step 6: Final answer
    x = 382,825.45

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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.