Home / 885,519.78-1,328,374.59-245,826.23

Finding the Fourth Proportional to 885,519.78, 1,328,374.59 and 245,826.23

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Solution

The fourth proportional to 885,519.78, 1,328,374.59 and 245,826.23 is: 368,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,519.78 : 1,328,374.59 = 245,826.23 : x
  2. Step 2: Convert to fraction form
    885,519.78/1,328,374.59 = 245,826.23/x
  3. Step 3: Cross multiply
    885,519.78x = 1,328,374.59 × 245,826.23
  4. Step 4: Simplify right side
    885,519.78x = 326,549,309,923.77
  5. Step 5: Solve for x
    x = 326,549,309,923.77/885,519.78
  6. Step 6: Final answer
    x = 368,765.69

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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.