Home / 456,371.82-629,779.86-252,430.83

Finding the Fourth Proportional to 456,371.82, 629,779.86 and 252,430.83

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Solution

The fourth proportional to 456,371.82, 629,779.86 and 252,430.83 is: 348,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,371.82 : 629,779.86 = 252,430.83 : x
  2. Step 2: Convert to fraction form
    456,371.82/629,779.86 = 252,430.83/x
  3. Step 3: Cross multiply
    456,371.82x = 629,779.86 × 252,430.83
  4. Step 4: Simplify right side
    456,371.82x = 158,975,852,777.08
  5. Step 5: Solve for x
    x = 158,975,852,777.08/456,371.82
  6. Step 6: Final answer
    x = 348,347.22

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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.