Home / 984,190.38-1,475,760.69-509,698.86

Finding the Fourth Proportional to 984,190.38, 1,475,760.69 and 509,698.86

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Solution

The fourth proportional to 984,190.38, 1,475,760.69 and 509,698.86 is: 764,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,190.38 : 1,475,760.69 = 509,698.86 : x
  2. Step 2: Convert to fraction form
    984,190.38/1,475,760.69 = 509,698.86/x
  3. Step 3: Cross multiply
    984,190.38x = 1,475,760.69 × 509,698.86
  4. Step 4: Simplify right side
    984,190.38x = 752,193,541,325.81
  5. Step 5: Solve for x
    x = 752,193,541,325.81/984,190.38
  6. Step 6: Final answer
    x = 764,276.46

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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.