Home / 560,131.24-772,971.78-305,467.24

Finding the Fourth Proportional to 560,131.24, 772,971.78 and 305,467.24

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Solution

The fourth proportional to 560,131.24, 772,971.78 and 305,467.24 is: 421,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,131.24 : 772,971.78 = 305,467.24 : x
  2. Step 2: Convert to fraction form
    560,131.24/772,971.78 = 305,467.24/x
  3. Step 3: Cross multiply
    560,131.24x = 772,971.78 × 305,467.24
  4. Step 4: Simplify right side
    560,131.24x = 236,117,556,234.49
  5. Step 5: Solve for x
    x = 236,117,556,234.49/560,131.24
  6. Step 6: Final answer
    x = 421,539.70

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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.