Home / 969,979.08-1,338,536.43-540,236.01

Finding the Fourth Proportional to 969,979.08, 1,338,536.43 and 540,236.01

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Solution

The fourth proportional to 969,979.08, 1,338,536.43 and 540,236.01 is: 745,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,979.08 : 1,338,536.43 = 540,236.01 : x
  2. Step 2: Convert to fraction form
    969,979.08/1,338,536.43 = 540,236.01/x
  3. Step 3: Cross multiply
    969,979.08x = 1,338,536.43 × 540,236.01
  4. Step 4: Simplify right side
    969,979.08x = 723,125,580,182.84
  5. Step 5: Solve for x
    x = 723,125,580,182.84/969,979.08
  6. Step 6: Final answer
    x = 745,506.37

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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.