Home / 889,150.51-1,333,864.68-289,972.32

Finding the Fourth Proportional to 889,150.51, 1,333,864.68 and 289,972.32

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Solution

The fourth proportional to 889,150.51, 1,333,864.68 and 289,972.32 is: 435,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,150.51 : 1,333,864.68 = 289,972.32 : x
  2. Step 2: Convert to fraction form
    889,150.51/1,333,864.68 = 289,972.32/x
  3. Step 3: Cross multiply
    889,150.51x = 1,333,864.68 × 289,972.32
  4. Step 4: Simplify right side
    889,150.51x = 386,783,835,825.66
  5. Step 5: Solve for x
    x = 386,783,835,825.66/889,150.51
  6. Step 6: Final answer
    x = 435,003.78

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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.