Home / 673,779.80-1,010,669.70-336,872.45

Finding the Fourth Proportional to 673,779.80, 1,010,669.70 and 336,872.45

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Solution

The fourth proportional to 673,779.80, 1,010,669.70 and 336,872.45 is: 505,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,779.80 : 1,010,669.70 = 336,872.45 : x
  2. Step 2: Convert to fraction form
    673,779.80/1,010,669.70 = 336,872.45/x
  3. Step 3: Cross multiply
    673,779.80x = 1,010,669.70 × 336,872.45
  4. Step 4: Simplify right side
    673,779.80x = 340,466,777,979.77
  5. Step 5: Solve for x
    x = 340,466,777,979.77/673,779.80
  6. Step 6: Final answer
    x = 505,308.68

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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.