Home / 726,886.92-1,003,103.88-404,590.08

Finding the Fourth Proportional to 726,886.92, 1,003,103.88 and 404,590.08

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Solution

The fourth proportional to 726,886.92, 1,003,103.88 and 404,590.08 is: 558,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,886.92 : 1,003,103.88 = 404,590.08 : x
  2. Step 2: Convert to fraction form
    726,886.92/1,003,103.88 = 404,590.08/x
  3. Step 3: Cross multiply
    726,886.92x = 1,003,103.88 × 404,590.08
  4. Step 4: Simplify right side
    726,886.92x = 405,845,879,057.51
  5. Step 5: Solve for x
    x = 405,845,879,057.51/726,886.92
  6. Step 6: Final answer
    x = 558,334.27

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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.