Home / 751,989.60-1,037,738.57-407,833.11

Finding the Fourth Proportional to 751,989.60, 1,037,738.57 and 407,833.11

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Solution

The fourth proportional to 751,989.60, 1,037,738.57 and 407,833.11 is: 562,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,989.60 : 1,037,738.57 = 407,833.11 : x
  2. Step 2: Convert to fraction form
    751,989.60/1,037,738.57 = 407,833.11/x
  3. Step 3: Cross multiply
    751,989.60x = 1,037,738.57 × 407,833.11
  4. Step 4: Simplify right side
    751,989.60x = 423,224,146,330.89
  5. Step 5: Solve for x
    x = 423,224,146,330.89/751,989.60
  6. Step 6: Final answer
    x = 562,805.85

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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.