Home / 731,870.03-1,009,958.94-405,197.59

Finding the Fourth Proportional to 731,870.03, 1,009,958.94 and 405,197.59

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Solution

The fourth proportional to 731,870.03, 1,009,958.94 and 405,197.59 is: 559,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,870.03 : 1,009,958.94 = 405,197.59 : x
  2. Step 2: Convert to fraction form
    731,870.03/1,009,958.94 = 405,197.59/x
  3. Step 3: Cross multiply
    731,870.03x = 1,009,958.94 × 405,197.59
  4. Step 4: Simplify right side
    731,870.03x = 409,232,928,486.96
  5. Step 5: Solve for x
    x = 409,232,928,486.96/731,870.03
  6. Step 6: Final answer
    x = 559,160.66

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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.