Home / 782,279.21-1,173,050.97-302,732.84

Finding the Fourth Proportional to 782,279.21, 1,173,050.97 and 302,732.84

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Solution

The fourth proportional to 782,279.21, 1,173,050.97 and 302,732.84 is: 453,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,279.21 : 1,173,050.97 = 302,732.84 : x
  2. Step 2: Convert to fraction form
    782,279.21/1,173,050.97 = 302,732.84/x
  3. Step 3: Cross multiply
    782,279.21x = 1,173,050.97 × 302,732.84
  4. Step 4: Simplify right side
    782,279.21x = 355,121,053,623.09
  5. Step 5: Solve for x
    x = 355,121,053,623.09/782,279.21
  6. Step 6: Final answer
    x = 453,956.91

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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.