Home / 889,149.51-1,333,863.18-289,971.32

Finding the Fourth Proportional to 889,149.51, 1,333,863.18 and 289,971.32

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Solution

The fourth proportional to 889,149.51, 1,333,863.18 and 289,971.32 is: 435,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,149.51 : 1,333,863.18 = 289,971.32 : x
  2. Step 2: Convert to fraction form
    889,149.51/1,333,863.18 = 289,971.32/x
  3. Step 3: Cross multiply
    889,149.51x = 1,333,863.18 × 289,971.32
  4. Step 4: Simplify right side
    889,149.51x = 386,782,067,004.00
  5. Step 5: Solve for x
    x = 386,782,067,004.00/889,149.51
  6. Step 6: Final answer
    x = 435,002.28

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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.