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Finding the Fourth Proportional to 673,297.93, 928,310.70 and 431,182.45

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Solution

The fourth proportional to 673,297.93, 928,310.70 and 431,182.45 is: 594,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,297.93 : 928,310.70 = 431,182.45 : x
  2. Step 2: Convert to fraction form
    673,297.93/928,310.70 = 431,182.45/x
  3. Step 3: Cross multiply
    673,297.93x = 928,310.70 × 431,182.45
  4. Step 4: Simplify right side
    673,297.93x = 400,271,281,987.22
  5. Step 5: Solve for x
    x = 400,271,281,987.22/673,297.93
  6. Step 6: Final answer
    x = 594,493.56

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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.