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Finding the Fourth Proportional to 725,307, 1,001,527.94 and 605,078.50

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Solution

The fourth proportional to 725,307, 1,001,527.94 and 605,078.50 is: 835,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,307 : 1,001,527.94 = 605,078.50 : x
  2. Step 2: Convert to fraction form
    725,307/1,001,527.94 = 605,078.50/x
  3. Step 3: Cross multiply
    725,307x = 1,001,527.94 × 605,078.50
  4. Step 4: Simplify right side
    725,307x = 606,003,023,643.29
  5. Step 5: Solve for x
    x = 606,003,023,643.29/725,307
  6. Step 6: Final answer
    x = 835,512.44

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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.