Home / 727,297.23-1,091,117.55-228,661.23

Finding the Fourth Proportional to 727,297.23, 1,091,117.55 and 228,661.23

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Solution

The fourth proportional to 727,297.23, 1,091,117.55 and 228,661.23 is: 343,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,297.23 : 1,091,117.55 = 228,661.23 : x
  2. Step 2: Convert to fraction form
    727,297.23/1,091,117.55 = 228,661.23/x
  3. Step 3: Cross multiply
    727,297.23x = 1,091,117.55 × 228,661.23
  4. Step 4: Simplify right side
    727,297.23x = 249,496,281,057.59
  5. Step 5: Solve for x
    x = 249,496,281,057.59/727,297.23
  6. Step 6: Final answer
    x = 343,045.83

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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.