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Finding the Fourth Proportional to 657,940.73, 986,763.47 and 302,613.37

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Solution

The fourth proportional to 657,940.73, 986,763.47 and 302,613.37 is: 453,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,940.73 : 986,763.47 = 302,613.37 : x
  2. Step 2: Convert to fraction form
    657,940.73/986,763.47 = 302,613.37/x
  3. Step 3: Cross multiply
    657,940.73x = 986,763.47 × 302,613.37
  4. Step 4: Simplify right side
    657,940.73x = 298,607,815,069.62
  5. Step 5: Solve for x
    x = 298,607,815,069.62/657,940.73
  6. Step 6: Final answer
    x = 453,852.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.