Home / 901,820.86-1,352,412.20-261,991.48

Finding the Fourth Proportional to 901,820.86, 1,352,412.20 and 261,991.48

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Solution

The fourth proportional to 901,820.86, 1,352,412.20 and 261,991.48 is: 392,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,820.86 : 1,352,412.20 = 261,991.48 : x
  2. Step 2: Convert to fraction form
    901,820.86/1,352,412.20 = 261,991.48/x
  3. Step 3: Cross multiply
    901,820.86x = 1,352,412.20 × 261,991.48
  4. Step 4: Simplify right side
    901,820.86x = 354,320,473,848.06
  5. Step 5: Solve for x
    x = 354,320,473,848.06/901,820.86
  6. Step 6: Final answer
    x = 392,894.52

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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.