Home / 938,582.64-1,407,800.52-264,636.72

Finding the Fourth Proportional to 938,582.64, 1,407,800.52 and 264,636.72

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Solution

The fourth proportional to 938,582.64, 1,407,800.52 and 264,636.72 is: 396,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,582.64 : 1,407,800.52 = 264,636.72 : x
  2. Step 2: Convert to fraction form
    938,582.64/1,407,800.52 = 264,636.72/x
  3. Step 3: Cross multiply
    938,582.64x = 1,407,800.52 × 264,636.72
  4. Step 4: Simplify right side
    938,582.64x = 372,555,712,027.09
  5. Step 5: Solve for x
    x = 372,555,712,027.09/938,582.64
  6. Step 6: Final answer
    x = 396,934.37

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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.