Home / 780,062.40-1,170,093.60-360,158.40

Finding the Fourth Proportional to 780,062.40, 1,170,093.60 and 360,158.40

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Solution

The fourth proportional to 780,062.40, 1,170,093.60 and 360,158.40 is: 540,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,062.40 : 1,170,093.60 = 360,158.40 : x
  2. Step 2: Convert to fraction form
    780,062.40/1,170,093.60 = 360,158.40/x
  3. Step 3: Cross multiply
    780,062.40x = 1,170,093.60 × 360,158.40
  4. Step 4: Simplify right side
    780,062.40x = 421,419,038,826.24
  5. Step 5: Solve for x
    x = 421,419,038,826.24/780,062.40
  6. Step 6: Final answer
    x = 540,237.60

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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.