Home / 673,779.20-1,010,668.80-274,214.30

Finding the Fourth Proportional to 673,779.20, 1,010,668.80 and 274,214.30

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Solution

The fourth proportional to 673,779.20, 1,010,668.80 and 274,214.30 is: 411,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,779.20 : 1,010,668.80 = 274,214.30 : x
  2. Step 2: Convert to fraction form
    673,779.20/1,010,668.80 = 274,214.30/x
  3. Step 3: Cross multiply
    673,779.20x = 1,010,668.80 × 274,214.30
  4. Step 4: Simplify right side
    673,779.20x = 277,139,837,523.84
  5. Step 5: Solve for x
    x = 277,139,837,523.84/673,779.20
  6. Step 6: Final answer
    x = 411,321.45

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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.