Home / 779,833.22-1,170,182.35-380,477.30

Finding the Fourth Proportional to 779,833.22, 1,170,182.35 and 380,477.30

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Solution

The fourth proportional to 779,833.22, 1,170,182.35 and 380,477.30 is: 570,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,833.22 : 1,170,182.35 = 380,477.30 : x
  2. Step 2: Convert to fraction form
    779,833.22/1,170,182.35 = 380,477.30/x
  3. Step 3: Cross multiply
    779,833.22x = 1,170,182.35 × 380,477.30
  4. Step 4: Simplify right side
    779,833.22x = 445,227,821,035.66
  5. Step 5: Solve for x
    x = 445,227,821,035.66/779,833.22
  6. Step 6: Final answer
    x = 570,926.97

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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.