Home / 938,576.39-1,407,739.70-264,711.80

Finding the Fourth Proportional to 938,576.39, 1,407,739.70 and 264,711.80

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Solution

The fourth proportional to 938,576.39, 1,407,739.70 and 264,711.80 is: 397,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,576.39 : 1,407,739.70 = 264,711.80 : x
  2. Step 2: Convert to fraction form
    938,576.39/1,407,739.70 = 264,711.80/x
  3. Step 3: Cross multiply
    938,576.39x = 1,407,739.70 × 264,711.80
  4. Step 4: Simplify right side
    938,576.39x = 372,645,314,099.59
  5. Step 5: Solve for x
    x = 372,645,314,099.59/938,576.39
  6. Step 6: Final answer
    x = 397,032.48

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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.