Home / 671,462.82-1,006,898.67-355,845.78

Finding the Fourth Proportional to 671,462.82, 1,006,898.67 and 355,845.78

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Solution

The fourth proportional to 671,462.82, 1,006,898.67 and 355,845.78 is: 533,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,462.82 : 1,006,898.67 = 355,845.78 : x
  2. Step 2: Convert to fraction form
    671,462.82/1,006,898.67 = 355,845.78/x
  3. Step 3: Cross multiply
    671,462.82x = 1,006,898.67 × 355,845.78
  4. Step 4: Simplify right side
    671,462.82x = 358,300,642,607.11
  5. Step 5: Solve for x
    x = 358,300,642,607.11/671,462.82
  6. Step 6: Final answer
    x = 533,612.04

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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.