Home / 725,856.77-1,001,669.37-403,559.93

Finding the Fourth Proportional to 725,856.77, 1,001,669.37 and 403,559.93

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Solution

The fourth proportional to 725,856.77, 1,001,669.37 and 403,559.93 is: 556,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,856.77 : 1,001,669.37 = 403,559.93 : x
  2. Step 2: Convert to fraction form
    725,856.77/1,001,669.37 = 403,559.93/x
  3. Step 3: Cross multiply
    725,856.77x = 1,001,669.37 × 403,559.93
  4. Step 4: Simplify right side
    725,856.77x = 404,233,620,840.34
  5. Step 5: Solve for x
    x = 404,233,620,840.34/725,856.77
  6. Step 6: Final answer
    x = 556,905.49

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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.