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Finding the Fourth Proportional to 551,594.84, 761,196.35 and 309,872.32

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Solution

The fourth proportional to 551,594.84, 761,196.35 and 309,872.32 is: 427,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,594.84 : 761,196.35 = 309,872.32 : x
  2. Step 2: Convert to fraction form
    551,594.84/761,196.35 = 309,872.32/x
  3. Step 3: Cross multiply
    551,594.84x = 761,196.35 × 309,872.32
  4. Step 4: Simplify right side
    551,594.84x = 235,873,677,821.72
  5. Step 5: Solve for x
    x = 235,873,677,821.72/551,594.84
  6. Step 6: Final answer
    x = 427,621.26

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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.