Home / 493,218.12-680,568.03-299,525.10

Finding the Fourth Proportional to 493,218.12, 680,568.03 and 299,525.10

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Solution

The fourth proportional to 493,218.12, 680,568.03 and 299,525.10 is: 413,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,218.12 : 680,568.03 = 299,525.10 : x
  2. Step 2: Convert to fraction form
    493,218.12/680,568.03 = 299,525.10/x
  3. Step 3: Cross multiply
    493,218.12x = 680,568.03 × 299,525.10
  4. Step 4: Simplify right side
    493,218.12x = 203,847,207,242.55
  5. Step 5: Solve for x
    x = 203,847,207,242.55/493,218.12
  6. Step 6: Final answer
    x = 413,300.32

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1.5x scale

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.