Home / 856,629.37-1,182,130.90-474,652.81

Finding the Fourth Proportional to 856,629.37, 1,182,130.90 and 474,652.81

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Solution

The fourth proportional to 856,629.37, 1,182,130.90 and 474,652.81 is: 655,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,629.37 : 1,182,130.90 = 474,652.81 : x
  2. Step 2: Convert to fraction form
    856,629.37/1,182,130.90 = 474,652.81/x
  3. Step 3: Cross multiply
    856,629.37x = 1,182,130.90 × 474,652.81
  4. Step 4: Simplify right side
    856,629.37x = 561,101,753,472.83
  5. Step 5: Solve for x
    x = 561,101,753,472.83/856,629.37
  6. Step 6: Final answer
    x = 655,011.11

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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.