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Finding the Fourth Proportional to 673,007.13, 928,760.99 and 367,083.60

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Solution

The fourth proportional to 673,007.13, 928,760.99 and 367,083.60 is: 506,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,007.13 : 928,760.99 = 367,083.60 : x
  2. Step 2: Convert to fraction form
    673,007.13/928,760.99 = 367,083.60/x
  3. Step 3: Cross multiply
    673,007.13x = 928,760.99 × 367,083.60
  4. Step 4: Simplify right side
    673,007.13x = 340,932,922,430.49
  5. Step 5: Solve for x
    x = 340,932,922,430.49/673,007.13
  6. Step 6: Final answer
    x = 506,581.44

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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.