Home / 756,450.40-1,133,293.20-615,445.60

Finding the Fourth Proportional to 756,450.40, 1,133,293.20 and 615,445.60

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Solution

The fourth proportional to 756,450.40, 1,133,293.20 and 615,445.60 is: 922,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,450.40 : 1,133,293.20 = 615,445.60 : x
  2. Step 2: Convert to fraction form
    756,450.40/1,133,293.20 = 615,445.60/x
  3. Step 3: Cross multiply
    756,450.40x = 1,133,293.20 × 615,445.60
  4. Step 4: Simplify right side
    756,450.40x = 697,480,313,449.92
  5. Step 5: Solve for x
    x = 697,480,313,449.92/756,450.40
  6. Step 6: Final answer
    x = 922,043.68

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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.