Home / 747,823.76-1,121,738.52-186,858.80

Finding the Fourth Proportional to 747,823.76, 1,121,738.52 and 186,858.80

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Solution

The fourth proportional to 747,823.76, 1,121,738.52 and 186,858.80 is: 280,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,823.76 : 1,121,738.52 = 186,858.80 : x
  2. Step 2: Convert to fraction form
    747,823.76/1,121,738.52 = 186,858.80/x
  3. Step 3: Cross multiply
    747,823.76x = 1,121,738.52 × 186,858.80
  4. Step 4: Simplify right side
    747,823.76x = 209,606,713,760.98
  5. Step 5: Solve for x
    x = 209,606,713,760.98/747,823.76
  6. Step 6: Final answer
    x = 280,288.92

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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.