Home / 877,928.83-1,316,863.37-372,164.42

Finding the Fourth Proportional to 877,928.83, 1,316,863.37 and 372,164.42

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Solution

The fourth proportional to 877,928.83, 1,316,863.37 and 372,164.42 is: 558,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,928.83 : 1,316,863.37 = 372,164.42 : x
  2. Step 2: Convert to fraction form
    877,928.83/1,316,863.37 = 372,164.42/x
  3. Step 3: Cross multiply
    877,928.83x = 1,316,863.37 × 372,164.42
  4. Step 4: Simplify right side
    877,928.83x = 490,089,696,537.87
  5. Step 5: Solve for x
    x = 490,089,696,537.87/877,928.83
  6. Step 6: Final answer
    x = 558,233.97

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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.