Home / 764,054.32-1,144,506.66-447,551.68

Finding the Fourth Proportional to 764,054.32, 1,144,506.66 and 447,551.68

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Solution

The fourth proportional to 764,054.32, 1,144,506.66 and 447,551.68 is: 670,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,054.32 : 1,144,506.66 = 447,551.68 : x
  2. Step 2: Convert to fraction form
    764,054.32/1,144,506.66 = 447,551.68/x
  3. Step 3: Cross multiply
    764,054.32x = 1,144,506.66 × 447,551.68
  4. Step 4: Simplify right side
    764,054.32x = 512,225,878,454.19
  5. Step 5: Solve for x
    x = 512,225,878,454.19/764,054.32
  6. Step 6: Final answer
    x = 670,405.06

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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.