Home / 906,305.39-1,250,676.49-498,407.23

Finding the Fourth Proportional to 906,305.39, 1,250,676.49 and 498,407.23

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Solution

The fourth proportional to 906,305.39, 1,250,676.49 and 498,407.23 is: 687,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,305.39 : 1,250,676.49 = 498,407.23 : x
  2. Step 2: Convert to fraction form
    906,305.39/1,250,676.49 = 498,407.23/x
  3. Step 3: Cross multiply
    906,305.39x = 1,250,676.49 × 498,407.23
  4. Step 4: Simplify right side
    906,305.39x = 623,346,200,634.31
  5. Step 5: Solve for x
    x = 623,346,200,634.31/906,305.39
  6. Step 6: Final answer
    x = 687,788.26

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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.