Home / 457,954.32-631,563.36-285,888.24

Finding the Fourth Proportional to 457,954.32, 631,563.36 and 285,888.24

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Solution

The fourth proportional to 457,954.32, 631,563.36 and 285,888.24 is: 394,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,954.32 : 631,563.36 = 285,888.24 : x
  2. Step 2: Convert to fraction form
    457,954.32/631,563.36 = 285,888.24/x
  3. Step 3: Cross multiply
    457,954.32x = 631,563.36 × 285,888.24
  4. Step 4: Simplify right side
    457,954.32x = 180,556,539,751.20
  5. Step 5: Solve for x
    x = 180,556,539,751.20/457,954.32
  6. Step 6: Final answer
    x = 394,267.58

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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.