Home / 972,458.67-1,342,168.63-580,016.78

Finding the Fourth Proportional to 972,458.67, 1,342,168.63 and 580,016.78

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Solution

The fourth proportional to 972,458.67, 1,342,168.63 and 580,016.78 is: 800,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,458.67 : 1,342,168.63 = 580,016.78 : x
  2. Step 2: Convert to fraction form
    972,458.67/1,342,168.63 = 580,016.78/x
  3. Step 3: Cross multiply
    972,458.67x = 1,342,168.63 × 580,016.78
  4. Step 4: Simplify right side
    972,458.67x = 778,480,324,089.53
  5. Step 5: Solve for x
    x = 778,480,324,089.53/972,458.67
  6. Step 6: Final answer
    x = 800,527.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.