Home / 756,786.39-1,044,373.37-412,619.50

Finding the Fourth Proportional to 756,786.39, 1,044,373.37 and 412,619.50

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Solution

The fourth proportional to 756,786.39, 1,044,373.37 and 412,619.50 is: 569,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,786.39 : 1,044,373.37 = 412,619.50 : x
  2. Step 2: Convert to fraction form
    756,786.39/1,044,373.37 = 412,619.50/x
  3. Step 3: Cross multiply
    756,786.39x = 1,044,373.37 × 412,619.50
  4. Step 4: Simplify right side
    756,786.39x = 430,928,816,985.08
  5. Step 5: Solve for x
    x = 430,928,816,985.08/756,786.39
  6. Step 6: Final answer
    x = 569,419.35

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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.