Home / 752,425.23-1,038,376.77-412,905.63

Finding the Fourth Proportional to 752,425.23, 1,038,376.77 and 412,905.63

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Solution

The fourth proportional to 752,425.23, 1,038,376.77 and 412,905.63 is: 569,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,425.23 : 1,038,376.77 = 412,905.63 : x
  2. Step 2: Convert to fraction form
    752,425.23/1,038,376.77 = 412,905.63/x
  3. Step 3: Cross multiply
    752,425.23x = 1,038,376.77 × 412,905.63
  4. Step 4: Simplify right side
    752,425.23x = 428,751,614,394.22
  5. Step 5: Solve for x
    x = 428,751,614,394.22/752,425.23
  6. Step 6: Final answer
    x = 569,826.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.