Home / 554,749.65-765,551.93-300,098.61

Finding the Fourth Proportional to 554,749.65, 765,551.93 and 300,098.61

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Solution

The fourth proportional to 554,749.65, 765,551.93 and 300,098.61 is: 414,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,749.65 : 765,551.93 = 300,098.61 : x
  2. Step 2: Convert to fraction form
    554,749.65/765,551.93 = 300,098.61/x
  3. Step 3: Cross multiply
    554,749.65x = 765,551.93 × 300,098.61
  4. Step 4: Simplify right side
    554,749.65x = 229,741,068,575.32
  5. Step 5: Solve for x
    x = 229,741,068,575.32/554,749.65
  6. Step 6: Final answer
    x = 414,134.68

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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.