Home / 659,537.23-989,156.40-334,996.35

Finding the Fourth Proportional to 659,537.23, 989,156.40 and 334,996.35

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Solution

The fourth proportional to 659,537.23, 989,156.40 and 334,996.35 is: 502,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,537.23 : 989,156.40 = 334,996.35 : x
  2. Step 2: Convert to fraction form
    659,537.23/989,156.40 = 334,996.35/x
  3. Step 3: Cross multiply
    659,537.23x = 989,156.40 × 334,996.35
  4. Step 4: Simplify right side
    659,537.23x = 331,363,783,579.14
  5. Step 5: Solve for x
    x = 331,363,783,579.14/659,537.23
  6. Step 6: Final answer
    x = 502,418.62

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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.