Home / 731,869.94-1,009,958.82-405,197.51

Finding the Fourth Proportional to 731,869.94, 1,009,958.82 and 405,197.51

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Solution

The fourth proportional to 731,869.94, 1,009,958.82 and 405,197.51 is: 559,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,869.94 : 1,009,958.82 = 405,197.51 : x
  2. Step 2: Convert to fraction form
    731,869.94/1,009,958.82 = 405,197.51/x
  3. Step 3: Cross multiply
    731,869.94x = 1,009,958.82 × 405,197.51
  4. Step 4: Simplify right side
    731,869.94x = 409,232,791,990.76
  5. Step 5: Solve for x
    x = 409,232,791,990.76/731,869.94
  6. Step 6: Final answer
    x = 559,160.55

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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.