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Finding the Fourth Proportional to 562,532.56, 776,296.97 and 304,409.48

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Solution

The fourth proportional to 562,532.56, 776,296.97 and 304,409.48 is: 420,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,532.56 : 776,296.97 = 304,409.48 : x
  2. Step 2: Convert to fraction form
    562,532.56/776,296.97 = 304,409.48/x
  3. Step 3: Cross multiply
    562,532.56x = 776,296.97 × 304,409.48
  4. Step 4: Simplify right side
    562,532.56x = 236,312,154,413.58
  5. Step 5: Solve for x
    x = 236,312,154,413.58/562,532.56
  6. Step 6: Final answer
    x = 420,086.18

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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.