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Finding the Fourth Proportional to 562,828.52, 776,708.32 and 333,398.88

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Solution

The fourth proportional to 562,828.52, 776,708.32 and 333,398.88 is: 460,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,828.52 : 776,708.32 = 333,398.88 : x
  2. Step 2: Convert to fraction form
    562,828.52/776,708.32 = 333,398.88/x
  3. Step 3: Cross multiply
    562,828.52x = 776,708.32 × 333,398.88
  4. Step 4: Simplify right side
    562,828.52x = 258,953,683,974.68
  5. Step 5: Solve for x
    x = 258,953,683,974.68/562,828.52
  6. Step 6: Final answer
    x = 460,093.39

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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.