Home / 689,914.56-1,034,876.43-240,633.75

Finding the Fourth Proportional to 689,914.56, 1,034,876.43 and 240,633.75

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Solution

The fourth proportional to 689,914.56, 1,034,876.43 and 240,633.75 is: 360,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,914.56 : 1,034,876.43 = 240,633.75 : x
  2. Step 2: Convert to fraction form
    689,914.56/1,034,876.43 = 240,633.75/x
  3. Step 3: Cross multiply
    689,914.56x = 1,034,876.43 × 240,633.75
  4. Step 4: Simplify right side
    689,914.56x = 249,026,196,137.51
  5. Step 5: Solve for x
    x = 249,026,196,137.51/689,914.56
  6. Step 6: Final answer
    x = 360,952.23

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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.