Home / 969,891.16-1,338,491.16-540,171.28

Finding the Fourth Proportional to 969,891.16, 1,338,491.16 and 540,171.28

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Solution

The fourth proportional to 969,891.16, 1,338,491.16 and 540,171.28 is: 745,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,891.16 : 1,338,491.16 = 540,171.28 : x
  2. Step 2: Convert to fraction form
    969,891.16/1,338,491.16 = 540,171.28/x
  3. Step 3: Cross multiply
    969,891.16x = 1,338,491.16 × 540,171.28
  4. Step 4: Simplify right side
    969,891.16x = 723,014,483,165.89
  5. Step 5: Solve for x
    x = 723,014,483,165.89/969,891.16
  6. Step 6: Final answer
    x = 745,459.40

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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.