Home / 680,492.90-1,020,741.74-200,726.60

Finding the Fourth Proportional to 680,492.90, 1,020,741.74 and 200,726.60

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Solution

The fourth proportional to 680,492.90, 1,020,741.74 and 200,726.60 is: 301,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,492.90 : 1,020,741.74 = 200,726.60 : x
  2. Step 2: Convert to fraction form
    680,492.90/1,020,741.74 = 200,726.60/x
  3. Step 3: Cross multiply
    680,492.90x = 1,020,741.74 × 200,726.60
  4. Step 4: Simplify right side
    680,492.90x = 204,890,018,948.28
  5. Step 5: Solve for x
    x = 204,890,018,948.28/680,492.90
  6. Step 6: Final answer
    x = 301,090.60

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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.