Home / 856,628.37-1,182,129.53-474,651.81

Finding the Fourth Proportional to 856,628.37, 1,182,129.53 and 474,651.81

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Solution

The fourth proportional to 856,628.37, 1,182,129.53 and 474,651.81 is: 655,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,628.37 : 1,182,129.53 = 474,651.81 : x
  2. Step 2: Convert to fraction form
    856,628.37/1,182,129.53 = 474,651.81/x
  3. Step 3: Cross multiply
    856,628.37x = 1,182,129.53 × 474,651.81
  4. Step 4: Simplify right side
    856,628.37x = 561,099,918,695.69
  5. Step 5: Solve for x
    x = 561,099,918,695.69/856,628.37
  6. Step 6: Final answer
    x = 655,009.73

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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.