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Finding the Fourth Proportional to 603,284.72, 832,816.36 and 348,586.64

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Solution

The fourth proportional to 603,284.72, 832,816.36 and 348,586.64 is: 481,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,284.72 : 832,816.36 = 348,586.64 : x
  2. Step 2: Convert to fraction form
    603,284.72/832,816.36 = 348,586.64/x
  3. Step 3: Cross multiply
    603,284.72x = 832,816.36 × 348,586.64
  4. Step 4: Simplify right side
    603,284.72x = 290,308,656,669.43
  5. Step 5: Solve for x
    x = 290,308,656,669.43/603,284.72
  6. Step 6: Final answer
    x = 481,213.34

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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.