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Finding the Fourth Proportional to 662,494.04, 914,241.96 and 372,106.06

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Solution

The fourth proportional to 662,494.04, 914,241.96 and 372,106.06 is: 513,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,494.04 : 914,241.96 = 372,106.06 : x
  2. Step 2: Convert to fraction form
    662,494.04/914,241.96 = 372,106.06/x
  3. Step 3: Cross multiply
    662,494.04x = 914,241.96 × 372,106.06
  4. Step 4: Simplify right side
    662,494.04x = 340,194,973,622.28
  5. Step 5: Solve for x
    x = 340,194,973,622.28/662,494.04
  6. Step 6: Final answer
    x = 513,506.47

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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.