Home / 659,539.24-989,159.40-334,998.36

Finding the Fourth Proportional to 659,539.24, 989,159.40 and 334,998.36

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Solution

The fourth proportional to 659,539.24, 989,159.40 and 334,998.36 is: 502,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,539.24 : 989,159.40 = 334,998.36 : x
  2. Step 2: Convert to fraction form
    659,539.24/989,159.40 = 334,998.36/x
  3. Step 3: Cross multiply
    659,539.24x = 989,159.40 × 334,998.36
  4. Step 4: Simplify right side
    659,539.24x = 331,366,776,778.58
  5. Step 5: Solve for x
    x = 331,366,776,778.58/659,539.24
  6. Step 6: Final answer
    x = 502,421.63

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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.