Home / 453,931.60-681,116.10-320,524.60

Finding the Fourth Proportional to 453,931.60, 681,116.10 and 320,524.60

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Solution

The fourth proportional to 453,931.60, 681,116.10 and 320,524.60 is: 480,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,931.60 : 681,116.10 = 320,524.60 : x
  2. Step 2: Convert to fraction form
    453,931.60/681,116.10 = 320,524.60/x
  3. Step 3: Cross multiply
    453,931.60x = 681,116.10 × 320,524.60
  4. Step 4: Simplify right side
    453,931.60x = 218,314,465,506.06
  5. Step 5: Solve for x
    x = 218,314,465,506.06/453,931.60
  6. Step 6: Final answer
    x = 480,941.33

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1.5x scale

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.