Home / 692,426.26-1,038,773.85-265,930.75

Finding the Fourth Proportional to 692,426.26, 1,038,773.85 and 265,930.75

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Solution

The fourth proportional to 692,426.26, 1,038,773.85 and 265,930.75 is: 398,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,426.26 : 1,038,773.85 = 265,930.75 : x
  2. Step 2: Convert to fraction form
    692,426.26/1,038,773.85 = 265,930.75/x
  3. Step 3: Cross multiply
    692,426.26x = 1,038,773.85 × 265,930.75
  4. Step 4: Simplify right side
    692,426.26x = 276,241,909,010.89
  5. Step 5: Solve for x
    x = 276,241,909,010.89/692,426.26
  6. Step 6: Final answer
    x = 398,947.77

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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.