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Finding the Fourth Proportional to 434,560.20, 650,528.10 and 382,072.20

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Solution

The fourth proportional to 434,560.20, 650,528.10 and 382,072.20 is: 571,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560.20 : 650,528.10 = 382,072.20 : x
  2. Step 2: Convert to fraction form
    434,560.20/650,528.10 = 382,072.20/x
  3. Step 3: Cross multiply
    434,560.20x = 650,528.10 × 382,072.20
  4. Step 4: Simplify right side
    434,560.20x = 248,548,702,328.82
  5. Step 5: Solve for x
    x = 248,548,702,328.82/434,560.20
  6. Step 6: Final answer
    x = 571,954.59

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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.