Home / 756,397.55-1,043,983.52-450,653.04

Finding the Fourth Proportional to 756,397.55, 1,043,983.52 and 450,653.04

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Solution

The fourth proportional to 756,397.55, 1,043,983.52 and 450,653.04 is: 621,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,397.55 : 1,043,983.52 = 450,653.04 : x
  2. Step 2: Convert to fraction form
    756,397.55/1,043,983.52 = 450,653.04/x
  3. Step 3: Cross multiply
    756,397.55x = 1,043,983.52 × 450,653.04
  4. Step 4: Simplify right side
    756,397.55x = 470,474,344,744.64
  5. Step 5: Solve for x
    x = 470,474,344,744.64/756,397.55
  6. Step 6: Final answer
    x = 621,993.48

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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.