Home / 698,939.76-1,048,236.30-299,535.24

Finding the Fourth Proportional to 698,939.76, 1,048,236.30 and 299,535.24

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Solution

The fourth proportional to 698,939.76, 1,048,236.30 and 299,535.24 is: 449,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,939.76 : 1,048,236.30 = 299,535.24 : x
  2. Step 2: Convert to fraction form
    698,939.76/1,048,236.30 = 299,535.24/x
  3. Step 3: Cross multiply
    698,939.76x = 1,048,236.30 × 299,535.24
  4. Step 4: Simplify right side
    698,939.76x = 313,983,711,697.21
  5. Step 5: Solve for x
    x = 313,983,711,697.21/698,939.76
  6. Step 6: Final answer
    x = 449,228.57

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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.