Home / 559,381.14-771,942.96-304,731.72

Finding the Fourth Proportional to 559,381.14, 771,942.96 and 304,731.72

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Solution

The fourth proportional to 559,381.14, 771,942.96 and 304,731.72 is: 420,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,381.14 : 771,942.96 = 304,731.72 : x
  2. Step 2: Convert to fraction form
    559,381.14/771,942.96 = 304,731.72/x
  3. Step 3: Cross multiply
    559,381.14x = 771,942.96 × 304,731.72
  4. Step 4: Simplify right side
    559,381.14x = 235,235,505,942.69
  5. Step 5: Solve for x
    x = 235,235,505,942.69/559,381.14
  6. Step 6: Final answer
    x = 420,528.13

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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.