Home / 984,256.81-1,476,544.23-415,723.38

Finding the Fourth Proportional to 984,256.81, 1,476,544.23 and 415,723.38

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Solution

The fourth proportional to 984,256.81, 1,476,544.23 and 415,723.38 is: 623,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,256.81 : 1,476,544.23 = 415,723.38 : x
  2. Step 2: Convert to fraction form
    984,256.81/1,476,544.23 = 415,723.38/x
  3. Step 3: Cross multiply
    984,256.81x = 1,476,544.23 × 415,723.38
  4. Step 4: Simplify right side
    984,256.81x = 613,833,958,015.10
  5. Step 5: Solve for x
    x = 613,833,958,015.10/984,256.81
  6. Step 6: Final answer
    x = 623,652.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.