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Finding the Fourth Proportional to 581,794.62, 802,972.09 and 340,029.98

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Solution

The fourth proportional to 581,794.62, 802,972.09 and 340,029.98 is: 469,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,794.62 : 802,972.09 = 340,029.98 : x
  2. Step 2: Convert to fraction form
    581,794.62/802,972.09 = 340,029.98/x
  3. Step 3: Cross multiply
    581,794.62x = 802,972.09 × 340,029.98
  4. Step 4: Simplify right side
    581,794.62x = 273,034,578,953.55
  5. Step 5: Solve for x
    x = 273,034,578,953.55/581,794.62
  6. Step 6: Final answer
    x = 469,297.18

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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.