Home / 917,188.09-1,375,780.31-243,336.94

Finding the Fourth Proportional to 917,188.09, 1,375,780.31 and 243,336.94

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Solution

The fourth proportional to 917,188.09, 1,375,780.31 and 243,336.94 is: 365,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,188.09 : 1,375,780.31 = 243,336.94 : x
  2. Step 2: Convert to fraction form
    917,188.09/1,375,780.31 = 243,336.94/x
  3. Step 3: Cross multiply
    917,188.09x = 1,375,780.31 × 243,336.94
  4. Step 4: Simplify right side
    917,188.09x = 334,778,170,747.65
  5. Step 5: Solve for x
    x = 334,778,170,747.65/917,188.09
  6. Step 6: Final answer
    x = 365,004.93

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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.