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Finding the Fourth Proportional to 612,051.62, 844,577.46 and 340,102.28

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Solution

The fourth proportional to 612,051.62, 844,577.46 and 340,102.28 is: 469,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,051.62 : 844,577.46 = 340,102.28 : x
  2. Step 2: Convert to fraction form
    612,051.62/844,577.46 = 340,102.28/x
  3. Step 3: Cross multiply
    612,051.62x = 844,577.46 × 340,102.28
  4. Step 4: Simplify right side
    612,051.62x = 287,242,715,559.72
  5. Step 5: Solve for x
    x = 287,242,715,559.72/612,051.62
  6. Step 6: Final answer
    x = 469,311.26

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Double scale
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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.