Home / 826,448.64-1,140,411.51-463,912.38

Finding the Fourth Proportional to 826,448.64, 1,140,411.51 and 463,912.38

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Solution

The fourth proportional to 826,448.64, 1,140,411.51 and 463,912.38 is: 640,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,448.64 : 1,140,411.51 = 463,912.38 : x
  2. Step 2: Convert to fraction form
    826,448.64/1,140,411.51 = 463,912.38/x
  3. Step 3: Cross multiply
    826,448.64x = 1,140,411.51 × 463,912.38
  4. Step 4: Simplify right side
    826,448.64x = 529,051,017,783.49
  5. Step 5: Solve for x
    x = 529,051,017,783.49/826,448.64
  6. Step 6: Final answer
    x = 640,149.90

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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.