Home / 725,809.05-1,001,506.60-415,663.40

Finding the Fourth Proportional to 725,809.05, 1,001,506.60 and 415,663.40

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Solution

The fourth proportional to 725,809.05, 1,001,506.60 and 415,663.40 is: 573,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,809.05 : 1,001,506.60 = 415,663.40 : x
  2. Step 2: Convert to fraction form
    725,809.05/1,001,506.60 = 415,663.40/x
  3. Step 3: Cross multiply
    725,809.05x = 1,001,506.60 × 415,663.40
  4. Step 4: Simplify right side
    725,809.05x = 416,289,638,478.44
  5. Step 5: Solve for x
    x = 416,289,638,478.44/725,809.05
  6. Step 6: Final answer
    x = 573,552.56

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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.