Home / 351,426.72-484,606.38-300,607.68

Finding the Fourth Proportional to 351,426.72, 484,606.38 and 300,607.68

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Solution

The fourth proportional to 351,426.72, 484,606.38 and 300,607.68 is: 414,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,426.72 : 484,606.38 = 300,607.68 : x
  2. Step 2: Convert to fraction form
    351,426.72/484,606.38 = 300,607.68/x
  3. Step 3: Cross multiply
    351,426.72x = 484,606.38 × 300,607.68
  4. Step 4: Simplify right side
    351,426.72x = 145,676,399,605.00
  5. Step 5: Solve for x
    x = 145,676,399,605.00/351,426.72
  6. Step 6: Final answer
    x = 414,528.52

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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.