Home / 869,171.60-1,302,007.80-603,232.40

Finding the Fourth Proportional to 869,171.60, 1,302,007.80 and 603,232.40

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Solution

The fourth proportional to 869,171.60, 1,302,007.80 and 603,232.40 is: 903,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,171.60 : 1,302,007.80 = 603,232.40 : x
  2. Step 2: Convert to fraction form
    869,171.60/1,302,007.80 = 603,232.40/x
  3. Step 3: Cross multiply
    869,171.60x = 1,302,007.80 × 603,232.40
  4. Step 4: Simplify right side
    869,171.60x = 785,413,290,012.72
  5. Step 5: Solve for x
    x = 785,413,290,012.72/869,171.60
  6. Step 6: Final answer
    x = 903,634.32

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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.