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Finding the Fourth Proportional to 673,155.08, 928,939.06 and 371,349

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Solution

The fourth proportional to 673,155.08, 928,939.06 and 371,349 is: 512,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,155.08 : 928,939.06 = 371,349 : x
  2. Step 2: Convert to fraction form
    673,155.08/928,939.06 = 371,349/x
  3. Step 3: Cross multiply
    673,155.08x = 928,939.06 × 371,349
  4. Step 4: Simplify right side
    673,155.08x = 344,960,590,991.94
  5. Step 5: Solve for x
    x = 344,960,590,991.94/673,155.08
  6. Step 6: Final answer
    x = 512,453.37

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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.