Home / 719,880.86-1,079,710.32-240,117.05

Finding the Fourth Proportional to 719,880.86, 1,079,710.32 and 240,117.05

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Solution

The fourth proportional to 719,880.86, 1,079,710.32 and 240,117.05 is: 360,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,880.86 : 1,079,710.32 = 240,117.05 : x
  2. Step 2: Convert to fraction form
    719,880.86/1,079,710.32 = 240,117.05/x
  3. Step 3: Cross multiply
    719,880.86x = 1,079,710.32 × 240,117.05
  4. Step 4: Simplify right side
    719,880.86x = 259,256,856,892.96
  5. Step 5: Solve for x
    x = 259,256,856,892.96/719,880.86
  6. Step 6: Final answer
    x = 360,138.56

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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.