Home / 725,852.34-1,001,701.89-403,653.78

Finding the Fourth Proportional to 725,852.34, 1,001,701.89 and 403,653.78

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Solution

The fourth proportional to 725,852.34, 1,001,701.89 and 403,653.78 is: 557,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,852.34 : 1,001,701.89 = 403,653.78 : x
  2. Step 2: Convert to fraction form
    725,852.34/1,001,701.89 = 403,653.78/x
  3. Step 3: Cross multiply
    725,852.34x = 1,001,701.89 × 403,653.78
  4. Step 4: Simplify right side
    725,852.34x = 404,340,754,331.64
  5. Step 5: Solve for x
    x = 404,340,754,331.64/725,852.34
  6. Step 6: Final answer
    x = 557,056.49

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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.