Home / 790,450.80-1,185,676.20-347,218.80

Finding the Fourth Proportional to 790,450.80, 1,185,676.20 and 347,218.80

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Solution

The fourth proportional to 790,450.80, 1,185,676.20 and 347,218.80 is: 520,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,450.80 : 1,185,676.20 = 347,218.80 : x
  2. Step 2: Convert to fraction form
    790,450.80/1,185,676.20 = 347,218.80/x
  3. Step 3: Cross multiply
    790,450.80x = 1,185,676.20 × 347,218.80
  4. Step 4: Simplify right side
    790,450.80x = 411,689,067,352.56
  5. Step 5: Solve for x
    x = 411,689,067,352.56/790,450.80
  6. Step 6: Final answer
    x = 520,828.20

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Half scale
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Double scale
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Similar ratio
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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.