Home / 726,770.90-1,090,156.35-446,834.90

Finding the Fourth Proportional to 726,770.90, 1,090,156.35 and 446,834.90

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Solution

The fourth proportional to 726,770.90, 1,090,156.35 and 446,834.90 is: 670,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,770.90 : 1,090,156.35 = 446,834.90 : x
  2. Step 2: Convert to fraction form
    726,770.90/1,090,156.35 = 446,834.90/x
  3. Step 3: Cross multiply
    726,770.90x = 1,090,156.35 × 446,834.90
  4. Step 4: Simplify right side
    726,770.90x = 487,119,903,636.62
  5. Step 5: Solve for x
    x = 487,119,903,636.62/726,770.90
  6. Step 6: Final answer
    x = 670,252.35

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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.