Home / 688,467.44-950,064.72-382,536.20

Finding the Fourth Proportional to 688,467.44, 950,064.72 and 382,536.20

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Solution

The fourth proportional to 688,467.44, 950,064.72 and 382,536.20 is: 527,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,467.44 : 950,064.72 = 382,536.20 : x
  2. Step 2: Convert to fraction form
    688,467.44/950,064.72 = 382,536.20/x
  3. Step 3: Cross multiply
    688,467.44x = 950,064.72 × 382,536.20
  4. Step 4: Simplify right side
    688,467.44x = 363,434,142,992.54
  5. Step 5: Solve for x
    x = 363,434,142,992.54/688,467.44
  6. Step 6: Final answer
    x = 527,888.65

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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.