Home / 718,480.50-1,077,903.81-213,059.94

Finding the Fourth Proportional to 718,480.50, 1,077,903.81 and 213,059.94

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Solution

The fourth proportional to 718,480.50, 1,077,903.81 and 213,059.94 is: 319,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,480.50 : 1,077,903.81 = 213,059.94 : x
  2. Step 2: Convert to fraction form
    718,480.50/1,077,903.81 = 213,059.94/x
  3. Step 3: Cross multiply
    718,480.50x = 1,077,903.81 × 213,059.94
  4. Step 4: Simplify right side
    718,480.50x = 229,658,121,084.37
  5. Step 5: Solve for x
    x = 229,658,121,084.37/718,480.50
  6. Step 6: Final answer
    x = 319,644.20

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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.