Home / 783,553.20-1,175,459.40-334,489.20

Finding the Fourth Proportional to 783,553.20, 1,175,459.40 and 334,489.20

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Solution

The fourth proportional to 783,553.20, 1,175,459.40 and 334,489.20 is: 501,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,553.20 : 1,175,459.40 = 334,489.20 : x
  2. Step 2: Convert to fraction form
    783,553.20/1,175,459.40 = 334,489.20/x
  3. Step 3: Cross multiply
    783,553.20x = 1,175,459.40 × 334,489.20
  4. Step 4: Simplify right side
    783,553.20x = 393,178,474,338.48
  5. Step 5: Solve for x
    x = 393,178,474,338.48/783,553.20
  6. Step 6: Final answer
    x = 501,789.12

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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.