Home / 545,962.74-753,434.09-300,956.22

Finding the Fourth Proportional to 545,962.74, 753,434.09 and 300,956.22

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Solution

The fourth proportional to 545,962.74, 753,434.09 and 300,956.22 is: 415,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,962.74 : 753,434.09 = 300,956.22 : x
  2. Step 2: Convert to fraction form
    545,962.74/753,434.09 = 300,956.22/x
  3. Step 3: Cross multiply
    545,962.74x = 753,434.09 × 300,956.22
  4. Step 4: Simplify right side
    545,962.74x = 226,750,670,473.59
  5. Step 5: Solve for x
    x = 226,750,670,473.59/545,962.74
  6. Step 6: Final answer
    x = 415,322.61

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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.