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Finding the Fourth Proportional to 651,103.97, 898,502.54 and 360,703.58

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Solution

The fourth proportional to 651,103.97, 898,502.54 and 360,703.58 is: 497,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,103.97 : 898,502.54 = 360,703.58 : x
  2. Step 2: Convert to fraction form
    651,103.97/898,502.54 = 360,703.58/x
  3. Step 3: Cross multiply
    651,103.97x = 898,502.54 × 360,703.58
  4. Step 4: Simplify right side
    651,103.97x = 324,093,076,521.06
  5. Step 5: Solve for x
    x = 324,093,076,521.06/651,103.97
  6. Step 6: Final answer
    x = 497,759.33

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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.