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Finding the Fourth Proportional to 650,120.80, 974,792.40 and 335,192.80

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Solution

The fourth proportional to 650,120.80, 974,792.40 and 335,192.80 is: 502,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,120.80 : 974,792.40 = 335,192.80 : x
  2. Step 2: Convert to fraction form
    650,120.80/974,792.40 = 335,192.80/x
  3. Step 3: Cross multiply
    650,120.80x = 974,792.40 × 335,192.80
  4. Step 4: Simplify right side
    650,120.80x = 326,743,393,974.72
  5. Step 5: Solve for x
    x = 326,743,393,974.72/650,120.80
  6. Step 6: Final answer
    x = 502,588.74

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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.