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Finding the Fourth Proportional to 575,829.52, 794,642.74 and 321,180.52

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Solution

The fourth proportional to 575,829.52, 794,642.74 and 321,180.52 is: 443,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,829.52 : 794,642.74 = 321,180.52 : x
  2. Step 2: Convert to fraction form
    575,829.52/794,642.74 = 321,180.52/x
  3. Step 3: Cross multiply
    575,829.52x = 794,642.74 × 321,180.52
  4. Step 4: Simplify right side
    575,829.52x = 255,223,768,447.43
  5. Step 5: Solve for x
    x = 255,223,768,447.43/575,829.52
  6. Step 6: Final answer
    x = 443,228.00

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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.