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Finding the Fourth Proportional to 601,000.80, 900,191.16 and 300,958.08

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Solution

The fourth proportional to 601,000.80, 900,191.16 and 300,958.08 is: 450,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,000.80 : 900,191.16 = 300,958.08 : x
  2. Step 2: Convert to fraction form
    601,000.80/900,191.16 = 300,958.08/x
  3. Step 3: Cross multiply
    601,000.80x = 900,191.16 × 300,958.08
  4. Step 4: Simplify right side
    601,000.80x = 270,919,803,146.57
  5. Step 5: Solve for x
    x = 270,919,803,146.57/601,000.80
  6. Step 6: Final answer
    x = 450,781.10

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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.