Home / 672,914.32-928,622.64-366,991.36

Finding the Fourth Proportional to 672,914.32, 928,622.64 and 366,991.36

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Solution

The fourth proportional to 672,914.32, 928,622.64 and 366,991.36 is: 506,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,914.32 : 928,622.64 = 366,991.36 : x
  2. Step 2: Convert to fraction form
    672,914.32/928,622.64 = 366,991.36/x
  3. Step 3: Cross multiply
    672,914.32x = 928,622.64 × 366,991.36
  4. Step 4: Simplify right side
    672,914.32x = 340,796,485,580.39
  5. Step 5: Solve for x
    x = 340,796,485,580.39/672,914.32
  6. Step 6: Final answer
    x = 506,448.56

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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.