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Finding the Fourth Proportional to 407,617.65, 613,867.65 and 371,256.35

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Solution

The fourth proportional to 407,617.65, 613,867.65 and 371,256.35 is: 559,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,617.65 : 613,867.65 = 371,256.35 : x
  2. Step 2: Convert to fraction form
    407,617.65/613,867.65 = 371,256.35/x
  3. Step 3: Cross multiply
    407,617.65x = 613,867.65 × 371,256.35
  4. Step 4: Simplify right side
    407,617.65x = 227,902,258,660.53
  5. Step 5: Solve for x
    x = 227,902,258,660.53/407,617.65
  6. Step 6: Final answer
    x = 559,107.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.