Home / 453,941.60-681,131.10-320,534.60

Finding the Fourth Proportional to 453,941.60, 681,131.10 and 320,534.60

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Solution

The fourth proportional to 453,941.60, 681,131.10 and 320,534.60 is: 480,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,941.60 : 681,131.10 = 320,534.60 : x
  2. Step 2: Convert to fraction form
    453,941.60/681,131.10 = 320,534.60/x
  3. Step 3: Cross multiply
    453,941.60x = 681,131.10 × 320,534.60
  4. Step 4: Simplify right side
    453,941.60x = 218,326,084,686.06
  5. Step 5: Solve for x
    x = 218,326,084,686.06/453,941.60
  6. Step 6: Final answer
    x = 480,956.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.