Home / 786,297.46-1,177,717.38-649,814.72

Finding the Fourth Proportional to 786,297.46, 1,177,717.38 and 649,814.72

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Solution

The fourth proportional to 786,297.46, 1,177,717.38 and 649,814.72 is: 973,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,297.46 : 1,177,717.38 = 649,814.72 : x
  2. Step 2: Convert to fraction form
    786,297.46/1,177,717.38 = 649,814.72/x
  3. Step 3: Cross multiply
    786,297.46x = 1,177,717.38 × 649,814.72
  4. Step 4: Simplify right side
    786,297.46x = 765,298,089,523.83
  5. Step 5: Solve for x
    x = 765,298,089,523.83/786,297.46
  6. Step 6: Final answer
    x = 973,293.35

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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.