Home / 719,164.32-1,079,409.06-364,429.68

Finding the Fourth Proportional to 719,164.32, 1,079,409.06 and 364,429.68

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Solution

The fourth proportional to 719,164.32, 1,079,409.06 and 364,429.68 is: 546,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,164.32 : 1,079,409.06 = 364,429.68 : x
  2. Step 2: Convert to fraction form
    719,164.32/1,079,409.06 = 364,429.68/x
  3. Step 3: Cross multiply
    719,164.32x = 1,079,409.06 × 364,429.68
  4. Step 4: Simplify right side
    719,164.32x = 393,368,698,324.90
  5. Step 5: Solve for x
    x = 393,368,698,324.90/719,164.32
  6. Step 6: Final answer
    x = 546,980.28

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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.