Home / 576,938.40-796,181.60-318,814.36

Finding the Fourth Proportional to 576,938.40, 796,181.60 and 318,814.36

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Solution

The fourth proportional to 576,938.40, 796,181.60 and 318,814.36 is: 439,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,938.40 : 796,181.60 = 318,814.36 : x
  2. Step 2: Convert to fraction form
    576,938.40/796,181.60 = 318,814.36/x
  3. Step 3: Cross multiply
    576,938.40x = 796,181.60 × 318,814.36
  4. Step 4: Simplify right side
    576,938.40x = 253,834,127,247.78
  5. Step 5: Solve for x
    x = 253,834,127,247.78/576,938.40
  6. Step 6: Final answer
    x = 439,967.47

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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.