Home / 770,690.96-1,156,147.16-238,253.51

Finding the Fourth Proportional to 770,690.96, 1,156,147.16 and 238,253.51

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Solution

The fourth proportional to 770,690.96, 1,156,147.16 and 238,253.51 is: 357,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,690.96 : 1,156,147.16 = 238,253.51 : x
  2. Step 2: Convert to fraction form
    770,690.96/1,156,147.16 = 238,253.51/x
  3. Step 3: Cross multiply
    770,690.96x = 1,156,147.16 × 238,253.51
  4. Step 4: Simplify right side
    770,690.96x = 275,456,111,974.53
  5. Step 5: Solve for x
    x = 275,456,111,974.53/770,690.96
  6. Step 6: Final answer
    x = 357,414.49

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Double scale
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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.