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Finding the Fourth Proportional to 574,669.08, 793,012.28 and 316,537.47

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Solution

The fourth proportional to 574,669.08, 793,012.28 and 316,537.47 is: 436,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,669.08 : 793,012.28 = 316,537.47 : x
  2. Step 2: Convert to fraction form
    574,669.08/793,012.28 = 316,537.47/x
  3. Step 3: Cross multiply
    574,669.08x = 793,012.28 × 316,537.47
  4. Step 4: Simplify right side
    574,669.08x = 251,018,099,207.44
  5. Step 5: Solve for x
    x = 251,018,099,207.44/574,669.08
  6. Step 6: Final answer
    x = 436,804.60

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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.