Home / 948,603.60-1,422,905.40-388,040.40

Finding the Fourth Proportional to 948,603.60, 1,422,905.40 and 388,040.40

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Solution

The fourth proportional to 948,603.60, 1,422,905.40 and 388,040.40 is: 582,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,603.60 : 1,422,905.40 = 388,040.40 : x
  2. Step 2: Convert to fraction form
    948,603.60/1,422,905.40 = 388,040.40/x
  3. Step 3: Cross multiply
    948,603.60x = 1,422,905.40 × 388,040.40
  4. Step 4: Simplify right side
    948,603.60x = 552,144,780,578.16
  5. Step 5: Solve for x
    x = 552,144,780,578.16/948,603.60
  6. Step 6: Final answer
    x = 582,060.60

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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.