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Finding the Fourth Proportional to 607,715.16, 838,696 and 335,806.88

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Solution

The fourth proportional to 607,715.16, 838,696 and 335,806.88 is: 463,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,715.16 : 838,696 = 335,806.88 : x
  2. Step 2: Convert to fraction form
    607,715.16/838,696 = 335,806.88/x
  3. Step 3: Cross multiply
    607,715.16x = 838,696 × 335,806.88
  4. Step 4: Simplify right side
    607,715.16x = 281,639,887,028.48
  5. Step 5: Solve for x
    x = 281,639,887,028.48/607,715.16
  6. Step 6: Final answer
    x = 463,440.61

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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.