Home / 406,396.26-609,711.03-265,981.14

Finding the Fourth Proportional to 406,396.26, 609,711.03 and 265,981.14

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Solution

The fourth proportional to 406,396.26, 609,711.03 and 265,981.14 is: 399,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,396.26 : 609,711.03 = 265,981.14 : x
  2. Step 2: Convert to fraction form
    406,396.26/609,711.03 = 265,981.14/x
  3. Step 3: Cross multiply
    406,396.26x = 609,711.03 × 265,981.14
  4. Step 4: Simplify right side
    406,396.26x = 162,171,634,829.97
  5. Step 5: Solve for x
    x = 162,171,634,829.97/406,396.26
  6. Step 6: Final answer
    x = 399,048.05

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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.