Home / 756,364.91-1,043,783.72-412,200.90

Finding the Fourth Proportional to 756,364.91, 1,043,783.72 and 412,200.90

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Solution

The fourth proportional to 756,364.91, 1,043,783.72 and 412,200.90 is: 568,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,364.91 : 1,043,783.72 = 412,200.90 : x
  2. Step 2: Convert to fraction form
    756,364.91/1,043,783.72 = 412,200.90/x
  3. Step 3: Cross multiply
    756,364.91x = 1,043,783.72 × 412,200.90
  4. Step 4: Simplify right side
    756,364.91x = 430,248,586,728.34
  5. Step 5: Solve for x
    x = 430,248,586,728.34/756,364.91
  6. Step 6: Final answer
    x = 568,837.32

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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.