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Finding the Fourth Proportional to 448,969.40, 673,454.10 and 448,969.40

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Solution

The fourth proportional to 448,969.40, 673,454.10 and 448,969.40 is: 673,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,969.40 : 673,454.10 = 448,969.40 : x
  2. Step 2: Convert to fraction form
    448,969.40/673,454.10 = 448,969.40/x
  3. Step 3: Cross multiply
    448,969.40x = 673,454.10 × 448,969.40
  4. Step 4: Simplify right side
    448,969.40x = 302,360,283,204.54
  5. Step 5: Solve for x
    x = 302,360,283,204.54/448,969.40
  6. Step 6: Final answer
    x = 673,454.10

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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.