Home / 673,288.74-928,298.07-431,173.26

Finding the Fourth Proportional to 673,288.74, 928,298.07 and 431,173.26

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Solution

The fourth proportional to 673,288.74, 928,298.07 and 431,173.26 is: 594,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,288.74 : 928,298.07 = 431,173.26 : x
  2. Step 2: Convert to fraction form
    673,288.74/928,298.07 = 431,173.26/x
  3. Step 3: Cross multiply
    673,288.74x = 928,298.07 × 431,173.26
  4. Step 4: Simplify right side
    673,288.74x = 400,257,305,093.61
  5. Step 5: Solve for x
    x = 400,257,305,093.61/673,288.74
  6. Step 6: Final answer
    x = 594,480.91

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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.