Home / 967,911.54-1,335,748.77-538,209.78

Finding the Fourth Proportional to 967,911.54, 1,335,748.77 and 538,209.78

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Solution

The fourth proportional to 967,911.54, 1,335,748.77 and 538,209.78 is: 742,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,911.54 : 1,335,748.77 = 538,209.78 : x
  2. Step 2: Convert to fraction form
    967,911.54/1,335,748.77 = 538,209.78/x
  3. Step 3: Cross multiply
    967,911.54x = 1,335,748.77 × 538,209.78
  4. Step 4: Simplify right side
    967,911.54x = 718,913,051,636.97
  5. Step 5: Solve for x
    x = 718,913,051,636.97/967,911.54
  6. Step 6: Final answer
    x = 742,746.65

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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.