Home / 671,519.29-1,007,318.38-191,710.22

Finding the Fourth Proportional to 671,519.29, 1,007,318.38 and 191,710.22

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Solution

The fourth proportional to 671,519.29, 1,007,318.38 and 191,710.22 is: 287,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,519.29 : 1,007,318.38 = 191,710.22 : x
  2. Step 2: Convert to fraction form
    671,519.29/1,007,318.38 = 191,710.22/x
  3. Step 3: Cross multiply
    671,519.29x = 1,007,318.38 × 191,710.22
  4. Step 4: Simplify right side
    671,519.29x = 193,113,225,916.52
  5. Step 5: Solve for x
    x = 193,113,225,916.52/671,519.29
  6. Step 6: Final answer
    x = 287,576.59

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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.