Home / 603,023.12-904,554.66-303,340.40

Finding the Fourth Proportional to 603,023.12, 904,554.66 and 303,340.40

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Solution

The fourth proportional to 603,023.12, 904,554.66 and 303,340.40 is: 455,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,023.12 : 904,554.66 = 303,340.40 : x
  2. Step 2: Convert to fraction form
    603,023.12/904,554.66 = 303,340.40/x
  3. Step 3: Cross multiply
    603,023.12x = 904,554.66 × 303,340.40
  4. Step 4: Simplify right side
    603,023.12x = 274,387,967,289.60
  5. Step 5: Solve for x
    x = 274,387,967,289.60/603,023.12
  6. Step 6: Final answer
    x = 455,020.65

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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.