Home / 731,971.52-1,009,318.56-476,849.60

Finding the Fourth Proportional to 731,971.52, 1,009,318.56 and 476,849.60

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Solution

The fourth proportional to 731,971.52, 1,009,318.56 and 476,849.60 is: 657,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,971.52 : 1,009,318.56 = 476,849.60 : x
  2. Step 2: Convert to fraction form
    731,971.52/1,009,318.56 = 476,849.60/x
  3. Step 3: Cross multiply
    731,971.52x = 1,009,318.56 × 476,849.60
  4. Step 4: Simplify right side
    731,971.52x = 481,293,151,608.58
  5. Step 5: Solve for x
    x = 481,293,151,608.58/731,971.52
  6. Step 6: Final answer
    x = 657,529.89

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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.