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Finding the Fourth Proportional to 607,788, 838,747.44 and 339,516

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Solution

The fourth proportional to 607,788, 838,747.44 and 339,516 is: 468,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,788 : 838,747.44 = 339,516 : x
  2. Step 2: Convert to fraction form
    607,788/838,747.44 = 339,516/x
  3. Step 3: Cross multiply
    607,788x = 838,747.44 × 339,516
  4. Step 4: Simplify right side
    607,788x = 284,768,175,839.04
  5. Step 5: Solve for x
    x = 284,768,175,839.04/607,788
  6. Step 6: Final answer
    x = 468,532.08

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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.