Home / 673,289.02-928,298.45-431,173.54

Finding the Fourth Proportional to 673,289.02, 928,298.45 and 431,173.54

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Solution

The fourth proportional to 673,289.02, 928,298.45 and 431,173.54 is: 594,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,289.02 : 928,298.45 = 431,173.54 : x
  2. Step 2: Convert to fraction form
    673,289.02/928,298.45 = 431,173.54/x
  3. Step 3: Cross multiply
    673,289.02x = 928,298.45 × 431,173.54
  4. Step 4: Simplify right side
    673,289.02x = 400,257,731,101.32
  5. Step 5: Solve for x
    x = 400,257,731,101.32/673,289.02
  6. Step 6: Final answer
    x = 594,481.30

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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.