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Finding the Fourth Proportional to 671,242.96, 926,412.89 and 376,925.68

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Solution

The fourth proportional to 671,242.96, 926,412.89 and 376,925.68 is: 520,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,242.96 : 926,412.89 = 376,925.68 : x
  2. Step 2: Convert to fraction form
    671,242.96/926,412.89 = 376,925.68/x
  3. Step 3: Cross multiply
    671,242.96x = 926,412.89 × 376,925.68
  4. Step 4: Simplify right side
    671,242.96x = 349,188,804,323.36
  5. Step 5: Solve for x
    x = 349,188,804,323.36/671,242.96
  6. Step 6: Final answer
    x = 520,212.24

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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.