Home / 928,403.10-1,392,455.16-254,326.77

Finding the Fourth Proportional to 928,403.10, 1,392,455.16 and 254,326.77

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Solution

The fourth proportional to 928,403.10, 1,392,455.16 and 254,326.77 is: 381,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,403.10 : 1,392,455.16 = 254,326.77 : x
  2. Step 2: Convert to fraction form
    928,403.10/1,392,455.16 = 254,326.77/x
  3. Step 3: Cross multiply
    928,403.10x = 1,392,455.16 × 254,326.77
  4. Step 4: Simplify right side
    928,403.10x = 354,138,623,212.63
  5. Step 5: Solve for x
    x = 354,138,623,212.63/928,403.10
  6. Step 6: Final answer
    x = 381,449.20

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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.