Home / 942,515.94-1,300,704.41-512,812.36

Finding the Fourth Proportional to 942,515.94, 1,300,704.41 and 512,812.36

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Solution

The fourth proportional to 942,515.94, 1,300,704.41 and 512,812.36 is: 707,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,515.94 : 1,300,704.41 = 512,812.36 : x
  2. Step 2: Convert to fraction form
    942,515.94/1,300,704.41 = 512,812.36/x
  3. Step 3: Cross multiply
    942,515.94x = 1,300,704.41 × 512,812.36
  4. Step 4: Simplify right side
    942,515.94x = 667,017,292,338.69
  5. Step 5: Solve for x
    x = 667,017,292,338.69/942,515.94
  6. Step 6: Final answer
    x = 707,698.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.