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Finding the Fourth Proportional to 507,498.80, 760,698.84 and 330,132.56

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Solution

The fourth proportional to 507,498.80, 760,698.84 and 330,132.56 is: 494,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,498.80 : 760,698.84 = 330,132.56 : x
  2. Step 2: Convert to fraction form
    507,498.80/760,698.84 = 330,132.56/x
  3. Step 3: Cross multiply
    507,498.80x = 760,698.84 × 330,132.56
  4. Step 4: Simplify right side
    507,498.80x = 251,131,455,438.23
  5. Step 5: Solve for x
    x = 251,131,455,438.23/507,498.80
  6. Step 6: Final answer
    x = 494,841.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.