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Finding the Fourth Proportional to 676,039.88, 932,935.31 and 370,136.09

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Solution

The fourth proportional to 676,039.88, 932,935.31 and 370,136.09 is: 510,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,039.88 : 932,935.31 = 370,136.09 : x
  2. Step 2: Convert to fraction form
    676,039.88/932,935.31 = 370,136.09/x
  3. Step 3: Cross multiply
    676,039.88x = 932,935.31 × 370,136.09
  4. Step 4: Simplify right side
    676,039.88x = 345,313,027,866.34
  5. Step 5: Solve for x
    x = 345,313,027,866.34/676,039.88
  6. Step 6: Final answer
    x = 510,787.96

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1.5x scale

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.