Home / 840,029.87-1,259,538.12-334,668.85

Finding the Fourth Proportional to 840,029.87, 1,259,538.12 and 334,668.85

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Solution

The fourth proportional to 840,029.87, 1,259,538.12 and 334,668.85 is: 501,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,029.87 : 1,259,538.12 = 334,668.85 : x
  2. Step 2: Convert to fraction form
    840,029.87/1,259,538.12 = 334,668.85/x
  3. Step 3: Cross multiply
    840,029.87x = 1,259,538.12 × 334,668.85
  4. Step 4: Simplify right side
    840,029.87x = 421,528,171,002.72
  5. Step 5: Solve for x
    x = 421,528,171,002.72/840,029.87
  6. Step 6: Final answer
    x = 501,801.41

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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.