Home / 752,759.34-1,038,554.52-480,986.12

Finding the Fourth Proportional to 752,759.34, 1,038,554.52 and 480,986.12

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Solution

The fourth proportional to 752,759.34, 1,038,554.52 and 480,986.12 is: 663,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,759.34 : 1,038,554.52 = 480,986.12 : x
  2. Step 2: Convert to fraction form
    752,759.34/1,038,554.52 = 480,986.12/x
  3. Step 3: Cross multiply
    752,759.34x = 1,038,554.52 × 480,986.12
  4. Step 4: Simplify right side
    752,759.34x = 499,530,308,983.26
  5. Step 5: Solve for x
    x = 499,530,308,983.26/752,759.34
  6. Step 6: Final answer
    x = 663,598.95

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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.