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Finding the Fourth Proportional to 575,782.08, 794,580.48 and 321,126.72

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Solution

The fourth proportional to 575,782.08, 794,580.48 and 321,126.72 is: 443,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,782.08 : 794,580.48 = 321,126.72 : x
  2. Step 2: Convert to fraction form
    575,782.08/794,580.48 = 321,126.72/x
  3. Step 3: Cross multiply
    575,782.08x = 794,580.48 × 321,126.72
  4. Step 4: Simplify right side
    575,782.08x = 255,161,023,318.43
  5. Step 5: Solve for x
    x = 255,161,023,318.43/575,782.08
  6. Step 6: Final answer
    x = 443,155.55

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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.