Home / 770,784.75-1,156,287.39-238,346.84

Finding the Fourth Proportional to 770,784.75, 1,156,287.39 and 238,346.84

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Solution

The fourth proportional to 770,784.75, 1,156,287.39 and 238,346.84 is: 357,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,784.75 : 1,156,287.39 = 238,346.84 : x
  2. Step 2: Convert to fraction form
    770,784.75/1,156,287.39 = 238,346.84/x
  3. Step 3: Cross multiply
    770,784.75x = 1,156,287.39 × 238,346.84
  4. Step 4: Simplify right side
    770,784.75x = 275,597,447,535.27
  5. Step 5: Solve for x
    x = 275,597,447,535.27/770,784.75
  6. Step 6: Final answer
    x = 357,554.36

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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.