Home / 414,869.52-621,779.40-265,051.92

Finding the Fourth Proportional to 414,869.52, 621,779.40 and 265,051.92

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Solution

The fourth proportional to 414,869.52, 621,779.40 and 265,051.92 is: 397,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,869.52 : 621,779.40 = 265,051.92 : x
  2. Step 2: Convert to fraction form
    414,869.52/621,779.40 = 265,051.92/x
  3. Step 3: Cross multiply
    414,869.52x = 621,779.40 × 265,051.92
  4. Step 4: Simplify right side
    414,869.52x = 164,803,823,786.45
  5. Step 5: Solve for x
    x = 164,803,823,786.45/414,869.52
  6. Step 6: Final answer
    x = 397,242.54

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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.