Home / 938,605.63-1,407,442.60-298,826.05

Finding the Fourth Proportional to 938,605.63, 1,407,442.60 and 298,826.05

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Solution

The fourth proportional to 938,605.63, 1,407,442.60 and 298,826.05 is: 448,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,605.63 : 1,407,442.60 = 298,826.05 : x
  2. Step 2: Convert to fraction form
    938,605.63/1,407,442.60 = 298,826.05/x
  3. Step 3: Cross multiply
    938,605.63x = 1,407,442.60 × 298,826.05
  4. Step 4: Simplify right side
    938,605.63x = 420,580,508,494.06
  5. Step 5: Solve for x
    x = 420,580,508,494.06/938,605.63
  6. Step 6: Final answer
    x = 448,090.76

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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.