Home / 899,382.21-1,241,142.86-531,991.32

Finding the Fourth Proportional to 899,382.21, 1,241,142.86 and 531,991.32

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Solution

The fourth proportional to 899,382.21, 1,241,142.86 and 531,991.32 is: 734,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,382.21 : 1,241,142.86 = 531,991.32 : x
  2. Step 2: Convert to fraction form
    899,382.21/1,241,142.86 = 531,991.32/x
  3. Step 3: Cross multiply
    899,382.21x = 1,241,142.86 × 531,991.32
  4. Step 4: Simplify right side
    899,382.21x = 660,277,225,740.02
  5. Step 5: Solve for x
    x = 660,277,225,740.02/899,382.21
  6. Step 6: Final answer
    x = 734,145.31

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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.