Home / 921,465.70-1,382,193.07-238,352.60

Finding the Fourth Proportional to 921,465.70, 1,382,193.07 and 238,352.60

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Solution

The fourth proportional to 921,465.70, 1,382,193.07 and 238,352.60 is: 357,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,465.70 : 1,382,193.07 = 238,352.60 : x
  2. Step 2: Convert to fraction form
    921,465.70/1,382,193.07 = 238,352.60/x
  3. Step 3: Cross multiply
    921,465.70x = 1,382,193.07 × 238,352.60
  4. Step 4: Simplify right side
    921,465.70x = 329,449,311,936.48
  5. Step 5: Solve for x
    x = 329,449,311,936.48/921,465.70
  6. Step 6: Final answer
    x = 357,527.48

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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.