Home / 725,994.80-1,001,895.72-403,718.48

Finding the Fourth Proportional to 725,994.80, 1,001,895.72 and 403,718.48

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Solution

The fourth proportional to 725,994.80, 1,001,895.72 and 403,718.48 is: 557,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,994.80 : 1,001,895.72 = 403,718.48 : x
  2. Step 2: Convert to fraction form
    725,994.80/1,001,895.72 = 403,718.48/x
  3. Step 3: Cross multiply
    725,994.80x = 1,001,895.72 × 403,718.48
  4. Step 4: Simplify right side
    725,994.80x = 404,483,817,196.91
  5. Step 5: Solve for x
    x = 404,483,817,196.91/725,994.80
  6. Step 6: Final answer
    x = 557,144.23

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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.