Home / 824,194.30-1,235,701.05-318,322.30

Finding the Fourth Proportional to 824,194.30, 1,235,701.05 and 318,322.30

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Solution

The fourth proportional to 824,194.30, 1,235,701.05 and 318,322.30 is: 477,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,194.30 : 1,235,701.05 = 318,322.30 : x
  2. Step 2: Convert to fraction form
    824,194.30/1,235,701.05 = 318,322.30/x
  3. Step 3: Cross multiply
    824,194.30x = 1,235,701.05 × 318,322.30
  4. Step 4: Simplify right side
    824,194.30x = 393,351,200,348.42
  5. Step 5: Solve for x
    x = 393,351,200,348.42/824,194.30
  6. Step 6: Final answer
    x = 477,255.42

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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.