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Finding the Fourth Proportional to 603,009.36, 904,710.60 and 303,335.28

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Solution

The fourth proportional to 603,009.36, 904,710.60 and 303,335.28 is: 455,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,009.36 : 904,710.60 = 303,335.28 : x
  2. Step 2: Convert to fraction form
    603,009.36/904,710.60 = 303,335.28/x
  3. Step 3: Cross multiply
    603,009.36x = 904,710.60 × 303,335.28
  4. Step 4: Simplify right side
    603,009.36x = 274,430,643,169.97
  5. Step 5: Solve for x
    x = 274,430,643,169.97/603,009.36
  6. Step 6: Final answer
    x = 455,101.80

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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.