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Finding the Fourth Proportional to 671,125.96, 926,174.76 and 380,749.76

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Solution

The fourth proportional to 671,125.96, 926,174.76 and 380,749.76 is: 525,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,125.96 : 926,174.76 = 380,749.76 : x
  2. Step 2: Convert to fraction form
    671,125.96/926,174.76 = 380,749.76/x
  3. Step 3: Cross multiply
    671,125.96x = 926,174.76 × 380,749.76
  4. Step 4: Simplify right side
    671,125.96x = 352,640,820,212.26
  5. Step 5: Solve for x
    x = 352,640,820,212.26/671,125.96
  6. Step 6: Final answer
    x = 525,446.55

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1.5x scale

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.