Home / 603,421.64-832,629.36-348,723.68

Finding the Fourth Proportional to 603,421.64, 832,629.36 and 348,723.68

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Solution

The fourth proportional to 603,421.64, 832,629.36 and 348,723.68 is: 481,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,421.64 : 832,629.36 = 348,723.68 : x
  2. Step 2: Convert to fraction form
    603,421.64/832,629.36 = 348,723.68/x
  3. Step 3: Cross multiply
    603,421.64x = 832,629.36 × 348,723.68
  4. Step 4: Simplify right side
    603,421.64x = 290,357,574,495.25
  5. Step 5: Solve for x
    x = 290,357,574,495.25/603,421.64
  6. Step 6: Final answer
    x = 481,185.22

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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.