Home / 712,076.48-1,068,289.44-213,440

Finding the Fourth Proportional to 712,076.48, 1,068,289.44 and 213,440

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Solution

The fourth proportional to 712,076.48, 1,068,289.44 and 213,440 is: 320,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,076.48 : 1,068,289.44 = 213,440 : x
  2. Step 2: Convert to fraction form
    712,076.48/1,068,289.44 = 213,440/x
  3. Step 3: Cross multiply
    712,076.48x = 1,068,289.44 × 213,440
  4. Step 4: Simplify right side
    712,076.48x = 228,015,698,073.60
  5. Step 5: Solve for x
    x = 228,015,698,073.60/712,076.48
  6. Step 6: Final answer
    x = 320,212.37

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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.