Home / 752,754.55-1,038,774.37-426,060.54

Finding the Fourth Proportional to 752,754.55, 1,038,774.37 and 426,060.54

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Solution

The fourth proportional to 752,754.55, 1,038,774.37 and 426,060.54 is: 587,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,754.55 : 1,038,774.37 = 426,060.54 : x
  2. Step 2: Convert to fraction form
    752,754.55/1,038,774.37 = 426,060.54/x
  3. Step 3: Cross multiply
    752,754.55x = 1,038,774.37 × 426,060.54
  4. Step 4: Simplify right side
    752,754.55x = 442,580,769,020.36
  5. Step 5: Solve for x
    x = 442,580,769,020.36/752,754.55
  6. Step 6: Final answer
    x = 587,948.31

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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.