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Finding the Fourth Proportional to 673,039.74, 928,805.75 and 367,116.03

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Solution

The fourth proportional to 673,039.74, 928,805.75 and 367,116.03 is: 506,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,039.74 : 928,805.75 = 367,116.03 : x
  2. Step 2: Convert to fraction form
    673,039.74/928,805.75 = 367,116.03/x
  3. Step 3: Cross multiply
    673,039.74x = 928,805.75 × 367,116.03
  4. Step 4: Simplify right side
    673,039.74x = 340,979,477,745.59
  5. Step 5: Solve for x
    x = 340,979,477,745.59/673,039.74
  6. Step 6: Final answer
    x = 506,626.07

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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.