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Finding the Fourth Proportional to 575,383.26, 793,996.11 and 320,725.74

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Solution

The fourth proportional to 575,383.26, 793,996.11 and 320,725.74 is: 442,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,383.26 : 793,996.11 = 320,725.74 : x
  2. Step 2: Convert to fraction form
    575,383.26/793,996.11 = 320,725.74/x
  3. Step 3: Cross multiply
    575,383.26x = 793,996.11 × 320,725.74
  4. Step 4: Simplify right side
    575,383.26x = 254,654,989,936.87
  5. Step 5: Solve for x
    x = 254,654,989,936.87/575,383.26
  6. Step 6: Final answer
    x = 442,583.24

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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.