Home / 752,507.40-1,128,933.52-326,114.80

Finding the Fourth Proportional to 752,507.40, 1,128,933.52 and 326,114.80

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Solution

The fourth proportional to 752,507.40, 1,128,933.52 and 326,114.80 is: 489,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,507.40 : 1,128,933.52 = 326,114.80 : x
  2. Step 2: Convert to fraction form
    752,507.40/1,128,933.52 = 326,114.80/x
  3. Step 3: Cross multiply
    752,507.40x = 1,128,933.52 × 326,114.80
  4. Step 4: Simplify right side
    752,507.40x = 368,161,929,088.10
  5. Step 5: Solve for x
    x = 368,161,929,088.10/752,507.40
  6. Step 6: Final answer
    x = 489,246.92

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1.5x scale

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.