Home / 921,344.16-1,382,213.06-322,324.86

Finding the Fourth Proportional to 921,344.16, 1,382,213.06 and 322,324.86

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Solution

The fourth proportional to 921,344.16, 1,382,213.06 and 322,324.86 is: 483,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,344.16 : 1,382,213.06 = 322,324.86 : x
  2. Step 2: Convert to fraction form
    921,344.16/1,382,213.06 = 322,324.86/x
  3. Step 3: Cross multiply
    921,344.16x = 1,382,213.06 × 322,324.86
  4. Step 4: Simplify right side
    921,344.16x = 445,521,631,054.67
  5. Step 5: Solve for x
    x = 445,521,631,054.67/921,344.16
  6. Step 6: Final answer
    x = 483,556.15

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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.