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Finding the Fourth Proportional to 662,663.04, 908,968.94 and 656,969.55

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Solution

The fourth proportional to 662,663.04, 908,968.94 and 656,969.55 is: 901,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,663.04 : 908,968.94 = 656,969.55 : x
  2. Step 2: Convert to fraction form
    662,663.04/908,968.94 = 656,969.55/x
  3. Step 3: Cross multiply
    662,663.04x = 908,968.94 × 656,969.55
  4. Step 4: Simplify right side
    662,663.04x = 597,164,912,190.93
  5. Step 5: Solve for x
    x = 597,164,912,190.93/662,663.04
  6. Step 6: Final answer
    x = 901,159.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.