Home / 788,210.38-1,182,481.62-255,689.84

Finding the Fourth Proportional to 788,210.38, 1,182,481.62 and 255,689.84

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Solution

The fourth proportional to 788,210.38, 1,182,481.62 and 255,689.84 is: 383,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,210.38 : 1,182,481.62 = 255,689.84 : x
  2. Step 2: Convert to fraction form
    788,210.38/1,182,481.62 = 255,689.84/x
  3. Step 3: Cross multiply
    788,210.38x = 1,182,481.62 × 255,689.84
  4. Step 4: Simplify right side
    788,210.38x = 302,348,536,220.74
  5. Step 5: Solve for x
    x = 302,348,536,220.74/788,210.38
  6. Step 6: Final answer
    x = 383,588.63

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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.