Home / 940,995.84-1,298,632.32-538,579.20

Finding the Fourth Proportional to 940,995.84, 1,298,632.32 and 538,579.20

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Solution

The fourth proportional to 940,995.84, 1,298,632.32 and 538,579.20 is: 743,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,995.84 : 1,298,632.32 = 538,579.20 : x
  2. Step 2: Convert to fraction form
    940,995.84/1,298,632.32 = 538,579.20/x
  3. Step 3: Cross multiply
    940,995.84x = 1,298,632.32 × 538,579.20
  4. Step 4: Simplify right side
    940,995.84x = 699,416,355,999.74
  5. Step 5: Solve for x
    x = 699,416,355,999.74/940,995.84
  6. Step 6: Final answer
    x = 743,272.53

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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.