Home / 725,808.05-1,001,505.22-415,662.40

Finding the Fourth Proportional to 725,808.05, 1,001,505.22 and 415,662.40

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Solution

The fourth proportional to 725,808.05, 1,001,505.22 and 415,662.40 is: 573,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,808.05 : 1,001,505.22 = 415,662.40 : x
  2. Step 2: Convert to fraction form
    725,808.05/1,001,505.22 = 415,662.40/x
  3. Step 3: Cross multiply
    725,808.05x = 1,001,505.22 × 415,662.40
  4. Step 4: Simplify right side
    725,808.05x = 416,288,063,570.45
  5. Step 5: Solve for x
    x = 416,288,063,570.45/725,808.05
  6. Step 6: Final answer
    x = 573,551.18

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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.