Home / 837,299.58-1,155,503.88-479,672.70

Finding the Fourth Proportional to 837,299.58, 1,155,503.88 and 479,672.70

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Solution

The fourth proportional to 837,299.58, 1,155,503.88 and 479,672.70 is: 661,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,299.58 : 1,155,503.88 = 479,672.70 : x
  2. Step 2: Convert to fraction form
    837,299.58/1,155,503.88 = 479,672.70/x
  3. Step 3: Cross multiply
    837,299.58x = 1,155,503.88 × 479,672.70
  4. Step 4: Simplify right side
    837,299.58x = 554,263,665,980.08
  5. Step 5: Solve for x
    x = 554,263,665,980.08/837,299.58
  6. Step 6: Final answer
    x = 661,965.78

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1.5x scale

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.