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Finding the Fourth Proportional to 648,162.84, 894,321.90 and 376,073.04

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Solution

The fourth proportional to 648,162.84, 894,321.90 and 376,073.04 is: 518,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,162.84 : 894,321.90 = 376,073.04 : x
  2. Step 2: Convert to fraction form
    648,162.84/894,321.90 = 376,073.04/x
  3. Step 3: Cross multiply
    648,162.84x = 894,321.90 × 376,073.04
  4. Step 4: Simplify right side
    648,162.84x = 336,330,355,671.58
  5. Step 5: Solve for x
    x = 336,330,355,671.58/648,162.84
  6. Step 6: Final answer
    x = 518,897.93

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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.