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Finding the Fourth Proportional to 606,676.80, 909,577.80 and 340,518.90

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Solution

The fourth proportional to 606,676.80, 909,577.80 and 340,518.90 is: 510,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,676.80 : 909,577.80 = 340,518.90 : x
  2. Step 2: Convert to fraction form
    606,676.80/909,577.80 = 340,518.90/x
  3. Step 3: Cross multiply
    606,676.80x = 909,577.80 × 340,518.90
  4. Step 4: Simplify right side
    606,676.80x = 309,728,431,920.42
  5. Step 5: Solve for x
    x = 309,728,431,920.42/606,676.80
  6. Step 6: Final answer
    x = 510,532.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.