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Finding the Fourth Proportional to 601,768.74, 830,433.42 and 326,120.67

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Solution

The fourth proportional to 601,768.74, 830,433.42 and 326,120.67 is: 450,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,768.74 : 830,433.42 = 326,120.67 : x
  2. Step 2: Convert to fraction form
    601,768.74/830,433.42 = 326,120.67/x
  3. Step 3: Cross multiply
    601,768.74x = 830,433.42 × 326,120.67
  4. Step 4: Simplify right side
    601,768.74x = 270,821,503,320.79
  5. Step 5: Solve for x
    x = 270,821,503,320.79/601,768.74
  6. Step 6: Final answer
    x = 450,042.49

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1.5x scale

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.