Home / 719,015.13-1,077,703.11-449,267.81

Finding the Fourth Proportional to 719,015.13, 1,077,703.11 and 449,267.81

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Solution

The fourth proportional to 719,015.13, 1,077,703.11 and 449,267.81 is: 673,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,015.13 : 1,077,703.11 = 449,267.81 : x
  2. Step 2: Convert to fraction form
    719,015.13/1,077,703.11 = 449,267.81/x
  3. Step 3: Cross multiply
    719,015.13x = 1,077,703.11 × 449,267.81
  4. Step 4: Simplify right side
    719,015.13x = 484,177,310,671.37
  5. Step 5: Solve for x
    x = 484,177,310,671.37/719,015.13
  6. Step 6: Final answer
    x = 673,389.60

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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.