Home / 459,989.28-634,340.16-298,887.84

Finding the Fourth Proportional to 459,989.28, 634,340.16 and 298,887.84

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Solution

The fourth proportional to 459,989.28, 634,340.16 and 298,887.84 is: 412,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,989.28 : 634,340.16 = 298,887.84 : x
  2. Step 2: Convert to fraction form
    459,989.28/634,340.16 = 298,887.84/x
  3. Step 3: Cross multiply
    459,989.28x = 634,340.16 × 298,887.84
  4. Step 4: Simplify right side
    459,989.28x = 189,596,560,247.65
  5. Step 5: Solve for x
    x = 189,596,560,247.65/459,989.28
  6. Step 6: Final answer
    x = 412,176.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.