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Finding the Fourth Proportional to 606,680.80, 909,583.80 and 340,522.90

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Solution

The fourth proportional to 606,680.80, 909,583.80 and 340,522.90 is: 510,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,680.80 : 909,583.80 = 340,522.90 : x
  2. Step 2: Convert to fraction form
    606,680.80/909,583.80 = 340,522.90/x
  3. Step 3: Cross multiply
    606,680.80x = 909,583.80 × 340,522.90
  4. Step 4: Simplify right side
    606,680.80x = 309,734,113,369.02
  5. Step 5: Solve for x
    x = 309,734,113,369.02/606,680.80
  6. Step 6: Final answer
    x = 510,538.84

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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.