Home / 976,735.80-1,465,103.70-622,004.40

Finding the Fourth Proportional to 976,735.80, 1,465,103.70 and 622,004.40

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Solution

The fourth proportional to 976,735.80, 1,465,103.70 and 622,004.40 is: 933,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,735.80 : 1,465,103.70 = 622,004.40 : x
  2. Step 2: Convert to fraction form
    976,735.80/1,465,103.70 = 622,004.40/x
  3. Step 3: Cross multiply
    976,735.80x = 1,465,103.70 × 622,004.40
  4. Step 4: Simplify right side
    976,735.80x = 911,300,947,856.28
  5. Step 5: Solve for x
    x = 911,300,947,856.28/976,735.80
  6. Step 6: Final answer
    x = 933,006.60

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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.