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Finding the Fourth Proportional to 671,308.49, 926,484.60 and 377,006.57

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Solution

The fourth proportional to 671,308.49, 926,484.60 and 377,006.57 is: 520,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,308.49 : 926,484.60 = 377,006.57 : x
  2. Step 2: Convert to fraction form
    671,308.49/926,484.60 = 377,006.57/x
  3. Step 3: Cross multiply
    671,308.49x = 926,484.60 × 377,006.57
  4. Step 4: Simplify right side
    671,308.49x = 349,290,778,631.94
  5. Step 5: Solve for x
    x = 349,290,778,631.94/671,308.49
  6. Step 6: Final answer
    x = 520,313.37

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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.