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Finding the Fourth Proportional to 607,252.80, 838,082.70 and 352,604.04

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Solution

The fourth proportional to 607,252.80, 838,082.70 and 352,604.04 is: 486,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,252.80 : 838,082.70 = 352,604.04 : x
  2. Step 2: Convert to fraction form
    607,252.80/838,082.70 = 352,604.04/x
  3. Step 3: Cross multiply
    607,252.80x = 838,082.70 × 352,604.04
  4. Step 4: Simplify right side
    607,252.80x = 295,511,345,874.11
  5. Step 5: Solve for x
    x = 295,511,345,874.11/607,252.80
  6. Step 6: Final answer
    x = 486,636.45

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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.