Home / 743,142.94-1,025,539.24-437,230.84

Finding the Fourth Proportional to 743,142.94, 1,025,539.24 and 437,230.84

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Solution

The fourth proportional to 743,142.94, 1,025,539.24 and 437,230.84 is: 603,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,142.94 : 1,025,539.24 = 437,230.84 : x
  2. Step 2: Convert to fraction form
    743,142.94/1,025,539.24 = 437,230.84/x
  3. Step 3: Cross multiply
    743,142.94x = 1,025,539.24 × 437,230.84
  4. Step 4: Simplify right side
    743,142.94x = 448,397,383,358.16
  5. Step 5: Solve for x
    x = 448,397,383,358.16/743,142.94
  6. Step 6: Final answer
    x = 603,379.73

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Double scale
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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.