Home / 673,765.20-1,010,647.80-274,200.30

Finding the Fourth Proportional to 673,765.20, 1,010,647.80 and 274,200.30

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Solution

The fourth proportional to 673,765.20, 1,010,647.80 and 274,200.30 is: 411,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,765.20 : 1,010,647.80 = 274,200.30 : x
  2. Step 2: Convert to fraction form
    673,765.20/1,010,647.80 = 274,200.30/x
  3. Step 3: Cross multiply
    673,765.20x = 1,010,647.80 × 274,200.30
  4. Step 4: Simplify right side
    673,765.20x = 277,119,929,954.34
  5. Step 5: Solve for x
    x = 277,119,929,954.34/673,765.20
  6. Step 6: Final answer
    x = 411,300.45

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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.