Home / 603,437.10-902,822.85-393,485.10

Finding the Fourth Proportional to 603,437.10, 902,822.85 and 393,485.10

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Solution

The fourth proportional to 603,437.10, 902,822.85 and 393,485.10 is: 588,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,437.10 : 902,822.85 = 393,485.10 : x
  2. Step 2: Convert to fraction form
    603,437.10/902,822.85 = 393,485.10/x
  3. Step 3: Cross multiply
    603,437.10x = 902,822.85 × 393,485.10
  4. Step 4: Simplify right side
    603,437.10x = 355,247,339,414.54
  5. Step 5: Solve for x
    x = 355,247,339,414.54/603,437.10
  6. Step 6: Final answer
    x = 588,706.49

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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.