Home / 826,779.66-1,240,299.45-353,467.50

Finding the Fourth Proportional to 826,779.66, 1,240,299.45 and 353,467.50

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Solution

The fourth proportional to 826,779.66, 1,240,299.45 and 353,467.50 is: 530,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,779.66 : 1,240,299.45 = 353,467.50 : x
  2. Step 2: Convert to fraction form
    826,779.66/1,240,299.45 = 353,467.50/x
  3. Step 3: Cross multiply
    826,779.66x = 1,240,299.45 × 353,467.50
  4. Step 4: Simplify right side
    826,779.66x = 438,405,545,842.88
  5. Step 5: Solve for x
    x = 438,405,545,842.88/826,779.66
  6. Step 6: Final answer
    x = 530,256.81

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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.