Home / 855,633.26-1,180,897.44-492,987.62

Finding the Fourth Proportional to 855,633.26, 1,180,897.44 and 492,987.62

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Solution

The fourth proportional to 855,633.26, 1,180,897.44 and 492,987.62 is: 680,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,633.26 : 1,180,897.44 = 492,987.62 : x
  2. Step 2: Convert to fraction form
    855,633.26/1,180,897.44 = 492,987.62/x
  3. Step 3: Cross multiply
    855,633.26x = 1,180,897.44 × 492,987.62
  4. Step 4: Simplify right side
    855,633.26x = 582,167,818,409.69
  5. Step 5: Solve for x
    x = 582,167,818,409.69/855,633.26
  6. Step 6: Final answer
    x = 680,394.10

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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.