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Finding the Fourth Proportional to 501,801.26, 692,170.79 and 297,707.72

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Solution

The fourth proportional to 501,801.26, 692,170.79 and 297,707.72 is: 410,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,801.26 : 692,170.79 = 297,707.72 : x
  2. Step 2: Convert to fraction form
    501,801.26/692,170.79 = 297,707.72/x
  3. Step 3: Cross multiply
    501,801.26x = 692,170.79 × 297,707.72
  4. Step 4: Simplify right side
    501,801.26x = 206,064,582,792.11
  5. Step 5: Solve for x
    x = 206,064,582,792.11/501,801.26
  6. Step 6: Final answer
    x = 410,649.80

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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.