Home / 756,472.32-1,043,857.04-450,487.84

Finding the Fourth Proportional to 756,472.32, 1,043,857.04 and 450,487.84

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Solution

The fourth proportional to 756,472.32, 1,043,857.04 and 450,487.84 is: 621,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,472.32 : 1,043,857.04 = 450,487.84 : x
  2. Step 2: Convert to fraction form
    756,472.32/1,043,857.04 = 450,487.84/x
  3. Step 3: Cross multiply
    756,472.32x = 1,043,857.04 × 450,487.84
  4. Step 4: Simplify right side
    756,472.32x = 470,244,903,218.39
  5. Step 5: Solve for x
    x = 470,244,903,218.39/756,472.32
  6. Step 6: Final answer
    x = 621,628.70

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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.