Home / 747,704.88-1,120,893.93-274,281.35

Finding the Fourth Proportional to 747,704.88, 1,120,893.93 and 274,281.35

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Solution

The fourth proportional to 747,704.88, 1,120,893.93 and 274,281.35 is: 411,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,704.88 : 1,120,893.93 = 274,281.35 : x
  2. Step 2: Convert to fraction form
    747,704.88/1,120,893.93 = 274,281.35/x
  3. Step 3: Cross multiply
    747,704.88x = 1,120,893.93 × 274,281.35
  4. Step 4: Simplify right side
    747,704.88x = 307,440,294,722.74
  5. Step 5: Solve for x
    x = 307,440,294,722.74/747,704.88
  6. Step 6: Final answer
    x = 411,178.67

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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.