Home / 785,343.60-1,178,015.40-682,700.40

Finding the Fourth Proportional to 785,343.60, 1,178,015.40 and 682,700.40

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Solution

The fourth proportional to 785,343.60, 1,178,015.40 and 682,700.40 is: 1,024,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,343.60 : 1,178,015.40 = 682,700.40 : x
  2. Step 2: Convert to fraction form
    785,343.60/1,178,015.40 = 682,700.40/x
  3. Step 3: Cross multiply
    785,343.60x = 1,178,015.40 × 682,700.40
  4. Step 4: Simplify right side
    785,343.60x = 804,231,584,786.16
  5. Step 5: Solve for x
    x = 804,231,584,786.16/785,343.60
  6. Step 6: Final answer
    x = 1,024,050.60

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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.