Home / 767,712.20-1,151,745.52-227,956.47

Finding the Fourth Proportional to 767,712.20, 1,151,745.52 and 227,956.47

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Solution

The fourth proportional to 767,712.20, 1,151,745.52 and 227,956.47 is: 341,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,712.20 : 1,151,745.52 = 227,956.47 : x
  2. Step 2: Convert to fraction form
    767,712.20/1,151,745.52 = 227,956.47/x
  3. Step 3: Cross multiply
    767,712.20x = 1,151,745.52 × 227,956.47
  4. Step 4: Simplify right side
    767,712.20x = 262,547,843,077.51
  5. Step 5: Solve for x
    x = 262,547,843,077.51/767,712.20
  6. Step 6: Final answer
    x = 341,987.33

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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.