Home / 788,210.58-1,182,481.92-255,690.03

Finding the Fourth Proportional to 788,210.58, 1,182,481.92 and 255,690.03

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Solution

The fourth proportional to 788,210.58, 1,182,481.92 and 255,690.03 is: 383,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,210.58 : 1,182,481.92 = 255,690.03 : x
  2. Step 2: Convert to fraction form
    788,210.58/1,182,481.92 = 255,690.03/x
  3. Step 3: Cross multiply
    788,210.58x = 1,182,481.92 × 255,690.03
  4. Step 4: Simplify right side
    788,210.58x = 302,348,837,599.26
  5. Step 5: Solve for x
    x = 302,348,837,599.26/788,210.58
  6. Step 6: Final answer
    x = 383,588.91

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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.