Home / 385,534.08-580,933.62-316,949.76

Finding the Fourth Proportional to 385,534.08, 580,933.62 and 316,949.76

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Solution

The fourth proportional to 385,534.08, 580,933.62 and 316,949.76 is: 477,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,534.08 : 580,933.62 = 316,949.76 : x
  2. Step 2: Convert to fraction form
    385,534.08/580,933.62 = 316,949.76/x
  3. Step 3: Cross multiply
    385,534.08x = 580,933.62 × 316,949.76
  4. Step 4: Simplify right side
    385,534.08x = 184,126,771,434.93
  5. Step 5: Solve for x
    x = 184,126,771,434.93/385,534.08
  6. Step 6: Final answer
    x = 477,588.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.