Home / 815,852.89-1,223,358.96-366,188.41

Finding the Fourth Proportional to 815,852.89, 1,223,358.96 and 366,188.41

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Solution

The fourth proportional to 815,852.89, 1,223,358.96 and 366,188.41 is: 549,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,852.89 : 1,223,358.96 = 366,188.41 : x
  2. Step 2: Convert to fraction form
    815,852.89/1,223,358.96 = 366,188.41/x
  3. Step 3: Cross multiply
    815,852.89x = 1,223,358.96 × 366,188.41
  4. Step 4: Simplify right side
    815,852.89x = 447,979,872,421.65
  5. Step 5: Solve for x
    x = 447,979,872,421.65/815,852.89
  6. Step 6: Final answer
    x = 549,093.93

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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.