Home / 302,789.64-454,586.22-258,699.72

Finding the Fourth Proportional to 302,789.64, 454,586.22 and 258,699.72

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Solution

The fourth proportional to 302,789.64, 454,586.22 and 258,699.72 is: 388,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,789.64 : 454,586.22 = 258,699.72 : x
  2. Step 2: Convert to fraction form
    302,789.64/454,586.22 = 258,699.72/x
  3. Step 3: Cross multiply
    302,789.64x = 454,586.22 × 258,699.72
  4. Step 4: Simplify right side
    302,789.64x = 117,601,327,829.86
  5. Step 5: Solve for x
    x = 117,601,327,829.86/302,789.64
  6. Step 6: Final answer
    x = 388,392.84

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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.