Home / 837,438.76-1,250,485.72-664,722.73

Finding the Fourth Proportional to 837,438.76, 1,250,485.72 and 664,722.73

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Solution

The fourth proportional to 837,438.76, 1,250,485.72 and 664,722.73 is: 992,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,438.76 : 1,250,485.72 = 664,722.73 : x
  2. Step 2: Convert to fraction form
    837,438.76/1,250,485.72 = 664,722.73/x
  3. Step 3: Cross multiply
    837,438.76x = 1,250,485.72 × 664,722.73
  4. Step 4: Simplify right side
    837,438.76x = 831,226,281,624.42
  5. Step 5: Solve for x
    x = 831,226,281,624.42/837,438.76
  6. Step 6: Final answer
    x = 992,581.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.