Home / 712,693.58-1,068,289.43-263,126.57

Finding the Fourth Proportional to 712,693.58, 1,068,289.43 and 263,126.57

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Solution

The fourth proportional to 712,693.58, 1,068,289.43 and 263,126.57 is: 394,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,693.58 : 1,068,289.43 = 263,126.57 : x
  2. Step 2: Convert to fraction form
    712,693.58/1,068,289.43 = 263,126.57/x
  3. Step 3: Cross multiply
    712,693.58x = 1,068,289.43 × 263,126.57
  4. Step 4: Simplify right side
    712,693.58x = 281,095,326,826.08
  5. Step 5: Solve for x
    x = 281,095,326,826.08/712,693.58
  6. Step 6: Final answer
    x = 394,412.60

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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.