Home / 886,533.72-1,329,987.41-287,448.17

Finding the Fourth Proportional to 886,533.72, 1,329,987.41 and 287,448.17

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Solution

The fourth proportional to 886,533.72, 1,329,987.41 and 287,448.17 is: 431,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,533.72 : 1,329,987.41 = 287,448.17 : x
  2. Step 2: Convert to fraction form
    886,533.72/1,329,987.41 = 287,448.17/x
  3. Step 3: Cross multiply
    886,533.72x = 1,329,987.41 × 287,448.17
  4. Step 4: Simplify right side
    886,533.72x = 382,302,439,040.36
  5. Step 5: Solve for x
    x = 382,302,439,040.36/886,533.72
  6. Step 6: Final answer
    x = 431,232.82

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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.