Home / 738,662.71-1,019,828.94-463,397.95

Finding the Fourth Proportional to 738,662.71, 1,019,828.94 and 463,397.95

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Solution

The fourth proportional to 738,662.71, 1,019,828.94 and 463,397.95 is: 639,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,662.71 : 1,019,828.94 = 463,397.95 : x
  2. Step 2: Convert to fraction form
    738,662.71/1,019,828.94 = 463,397.95/x
  3. Step 3: Cross multiply
    738,662.71x = 1,019,828.94 × 463,397.95
  4. Step 4: Simplify right side
    738,662.71x = 472,586,640,146.67
  5. Step 5: Solve for x
    x = 472,586,640,146.67/738,662.71
  6. Step 6: Final answer
    x = 639,786.78

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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.