Home / 967,969.57-1,335,743.14-538,240.47

Finding the Fourth Proportional to 967,969.57, 1,335,743.14 and 538,240.47

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Solution

The fourth proportional to 967,969.57, 1,335,743.14 and 538,240.47 is: 742,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,969.57 : 1,335,743.14 = 538,240.47 : x
  2. Step 2: Convert to fraction form
    967,969.57/1,335,743.14 = 538,240.47/x
  3. Step 3: Cross multiply
    967,969.57x = 1,335,743.14 × 538,240.47
  4. Step 4: Simplify right side
    967,969.57x = 718,951,017,640.99
  5. Step 5: Solve for x
    x = 718,951,017,640.99/967,969.57
  6. Step 6: Final answer
    x = 742,741.34

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1.5x scale

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.