Home / 671,032.42-1,006,618.51-215,508.58

Finding the Fourth Proportional to 671,032.42, 1,006,618.51 and 215,508.58

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Solution

The fourth proportional to 671,032.42, 1,006,618.51 and 215,508.58 is: 323,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,032.42 : 1,006,618.51 = 215,508.58 : x
  2. Step 2: Convert to fraction form
    671,032.42/1,006,618.51 = 215,508.58/x
  3. Step 3: Cross multiply
    671,032.42x = 1,006,618.51 × 215,508.58
  4. Step 4: Simplify right side
    671,032.42x = 216,934,920,658.72
  5. Step 5: Solve for x
    x = 216,934,920,658.72/671,032.42
  6. Step 6: Final answer
    x = 323,285.31

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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.