Home / 725,804.74-1,001,563.81-403,506.55

Finding the Fourth Proportional to 725,804.74, 1,001,563.81 and 403,506.55

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Solution

The fourth proportional to 725,804.74, 1,001,563.81 and 403,506.55 is: 556,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,804.74 : 1,001,563.81 = 403,506.55 : x
  2. Step 2: Convert to fraction form
    725,804.74/1,001,563.81 = 403,506.55/x
  3. Step 3: Cross multiply
    725,804.74x = 1,001,563.81 × 403,506.55
  4. Step 4: Simplify right side
    725,804.74x = 404,137,557,577.96
  5. Step 5: Solve for x
    x = 404,137,557,577.96/725,804.74
  6. Step 6: Final answer
    x = 556,813.06

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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.