Home / 705,071.88-1,057,337.93-300,010.72

Finding the Fourth Proportional to 705,071.88, 1,057,337.93 and 300,010.72

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Solution

The fourth proportional to 705,071.88, 1,057,337.93 and 300,010.72 is: 449,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,071.88 : 1,057,337.93 = 300,010.72 : x
  2. Step 2: Convert to fraction form
    705,071.88/1,057,337.93 = 300,010.72/x
  3. Step 3: Cross multiply
    705,071.88x = 1,057,337.93 × 300,010.72
  4. Step 4: Simplify right side
    705,071.88x = 317,212,716,419.43
  5. Step 5: Solve for x
    x = 317,212,716,419.43/705,071.88
  6. Step 6: Final answer
    x = 449,901.24

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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.