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Finding the Fourth Proportional to 575,543.08, 794,249.94 and 320,889.16

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Solution

The fourth proportional to 575,543.08, 794,249.94 and 320,889.16 is: 442,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,543.08 : 794,249.94 = 320,889.16 : x
  2. Step 2: Convert to fraction form
    575,543.08/794,249.94 = 320,889.16/x
  3. Step 3: Cross multiply
    575,543.08x = 794,249.94 × 320,889.16
  4. Step 4: Simplify right side
    575,543.08x = 254,866,196,076.65
  5. Step 5: Solve for x
    x = 254,866,196,076.65/575,543.08
  6. Step 6: Final answer
    x = 442,827.31

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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.