Home / 437,581.90-603,975.37-285,000.31

Finding the Fourth Proportional to 437,581.90, 603,975.37 and 285,000.31

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Solution

The fourth proportional to 437,581.90, 603,975.37 and 285,000.31 is: 393,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,581.90 : 603,975.37 = 285,000.31 : x
  2. Step 2: Convert to fraction form
    437,581.90/603,975.37 = 285,000.31/x
  3. Step 3: Cross multiply
    437,581.90x = 603,975.37 × 285,000.31
  4. Step 4: Simplify right side
    437,581.90x = 172,133,164,662.49
  5. Step 5: Solve for x
    x = 172,133,164,662.49/437,581.90
  6. Step 6: Final answer
    x = 393,373.60

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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.