Home / 673,989.40-1,010,703.03-274,358.89

Finding the Fourth Proportional to 673,989.40, 1,010,703.03 and 274,358.89

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Solution

The fourth proportional to 673,989.40, 1,010,703.03 and 274,358.89 is: 411,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,989.40 : 1,010,703.03 = 274,358.89 : x
  2. Step 2: Convert to fraction form
    673,989.40/1,010,703.03 = 274,358.89/x
  3. Step 3: Cross multiply
    673,989.40x = 1,010,703.03 × 274,358.89
  4. Step 4: Simplify right side
    673,989.40x = 277,295,361,430.44
  5. Step 5: Solve for x
    x = 277,295,361,430.44/673,989.40
  6. Step 6: Final answer
    x = 411,423.92

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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.