Home / 826,361.23-1,140,489.78-463,804.92

Finding the Fourth Proportional to 826,361.23, 1,140,489.78 and 463,804.92

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Solution

The fourth proportional to 826,361.23, 1,140,489.78 and 463,804.92 is: 640,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,361.23 : 1,140,489.78 = 463,804.92 : x
  2. Step 2: Convert to fraction form
    826,361.23/1,140,489.78 = 463,804.92/x
  3. Step 3: Cross multiply
    826,361.23x = 1,140,489.78 × 463,804.92
  4. Step 4: Simplify right side
    826,361.23x = 528,964,771,173.72
  5. Step 5: Solve for x
    x = 528,964,771,173.72/826,361.23
  6. Step 6: Final answer
    x = 640,113.25

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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.