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Finding the Fourth Proportional to 594,482.34, 820,380.90 and 336,357.10

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Solution

The fourth proportional to 594,482.34, 820,380.90 and 336,357.10 is: 464,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,482.34 : 820,380.90 = 336,357.10 : x
  2. Step 2: Convert to fraction form
    594,482.34/820,380.90 = 336,357.10/x
  3. Step 3: Cross multiply
    594,482.34x = 820,380.90 × 336,357.10
  4. Step 4: Simplify right side
    594,482.34x = 275,940,939,829.27
  5. Step 5: Solve for x
    x = 275,940,939,829.27/594,482.34
  6. Step 6: Final answer
    x = 464,170.12

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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.