Home / 756,549.80-1,044,007.30-412,378.16

Finding the Fourth Proportional to 756,549.80, 1,044,007.30 and 412,378.16

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Solution

The fourth proportional to 756,549.80, 1,044,007.30 and 412,378.16 is: 569,064.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,549.80 : 1,044,007.30 = 412,378.16 : x
  2. Step 2: Convert to fraction form
    756,549.80/1,044,007.30 = 412,378.16/x
  3. Step 3: Cross multiply
    756,549.80x = 1,044,007.30 × 412,378.16
  4. Step 4: Simplify right side
    756,549.80x = 430,525,809,400.57
  5. Step 5: Solve for x
    x = 430,525,809,400.57/756,549.80
  6. Step 6: Final answer
    x = 569,064.73

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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.