Home / 439,669.22-658,779.38-402,900.28

Finding the Fourth Proportional to 439,669.22, 658,779.38 and 402,900.28

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Solution

The fourth proportional to 439,669.22, 658,779.38 and 402,900.28 is: 603,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,669.22 : 658,779.38 = 402,900.28 : x
  2. Step 2: Convert to fraction form
    439,669.22/658,779.38 = 402,900.28/x
  3. Step 3: Cross multiply
    439,669.22x = 658,779.38 × 402,900.28
  4. Step 4: Simplify right side
    439,669.22x = 265,422,394,509.65
  5. Step 5: Solve for x
    x = 265,422,394,509.65/439,669.22
  6. Step 6: Final answer
    x = 603,686.56

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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.