Home / 797,809.80-1,100,896.74-491,837.16

Finding the Fourth Proportional to 797,809.80, 1,100,896.74 and 491,837.16

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Solution

The fourth proportional to 797,809.80, 1,100,896.74 and 491,837.16 is: 678,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,809.80 : 1,100,896.74 = 491,837.16 : x
  2. Step 2: Convert to fraction form
    797,809.80/1,100,896.74 = 491,837.16/x
  3. Step 3: Cross multiply
    797,809.80x = 1,100,896.74 × 491,837.16
  4. Step 4: Simplify right side
    797,809.80x = 541,461,926,054.86
  5. Step 5: Solve for x
    x = 541,461,926,054.86/797,809.80
  6. Step 6: Final answer
    x = 678,685.48

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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.