Home / 719,654.46-1,079,293.29-214,079.32

Finding the Fourth Proportional to 719,654.46, 1,079,293.29 and 214,079.32

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Solution

The fourth proportional to 719,654.46, 1,079,293.29 and 214,079.32 is: 321,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,654.46 : 1,079,293.29 = 214,079.32 : x
  2. Step 2: Convert to fraction form
    719,654.46/1,079,293.29 = 214,079.32/x
  3. Step 3: Cross multiply
    719,654.46x = 1,079,293.29 × 214,079.32
  4. Step 4: Simplify right side
    719,654.46x = 231,054,373,603.76
  5. Step 5: Solve for x
    x = 231,054,373,603.76/719,654.46
  6. Step 6: Final answer
    x = 321,062.94

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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.