Home / 402,824.96-603,822.72-215,786.24

Finding the Fourth Proportional to 402,824.96, 603,822.72 and 215,786.24

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Solution

The fourth proportional to 402,824.96, 603,822.72 and 215,786.24 is: 323,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,824.96 : 603,822.72 = 215,786.24 : x
  2. Step 2: Convert to fraction form
    402,824.96/603,822.72 = 215,786.24/x
  3. Step 3: Cross multiply
    402,824.96x = 603,822.72 × 215,786.24
  4. Step 4: Simplify right side
    402,824.96x = 130,296,634,375.37
  5. Step 5: Solve for x
    x = 130,296,634,375.37/402,824.96
  6. Step 6: Final answer
    x = 323,457.20

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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.