Home / 688,497.76-1,033,150.80-289,107.80

Finding the Fourth Proportional to 688,497.76, 1,033,150.80 and 289,107.80

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Solution

The fourth proportional to 688,497.76, 1,033,150.80 and 289,107.80 is: 433,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,497.76 : 1,033,150.80 = 289,107.80 : x
  2. Step 2: Convert to fraction form
    688,497.76/1,033,150.80 = 289,107.80/x
  3. Step 3: Cross multiply
    688,497.76x = 1,033,150.80 × 289,107.80
  4. Step 4: Simplify right side
    688,497.76x = 298,691,954,856.24
  5. Step 5: Solve for x
    x = 298,691,954,856.24/688,497.76
  6. Step 6: Final answer
    x = 433,831.41

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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.