Home / 479,987.03-662,369.40-265,122.47

Finding the Fourth Proportional to 479,987.03, 662,369.40 and 265,122.47

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Solution

The fourth proportional to 479,987.03, 662,369.40 and 265,122.47 is: 365,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,987.03 : 662,369.40 = 265,122.47 : x
  2. Step 2: Convert to fraction form
    479,987.03/662,369.40 = 265,122.47/x
  3. Step 3: Cross multiply
    479,987.03x = 662,369.40 × 265,122.47
  4. Step 4: Simplify right side
    479,987.03x = 175,609,011,380.42
  5. Step 5: Solve for x
    x = 175,609,011,380.42/479,987.03
  6. Step 6: Final answer
    x = 365,861.99

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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.