Home / 826,449.64-1,140,412.89-463,913.38

Finding the Fourth Proportional to 826,449.64, 1,140,412.89 and 463,913.38

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Solution

The fourth proportional to 826,449.64, 1,140,412.89 and 463,913.38 is: 640,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,449.64 : 1,140,412.89 = 463,913.38 : x
  2. Step 2: Convert to fraction form
    826,449.64/1,140,412.89 = 463,913.38/x
  3. Step 3: Cross multiply
    826,449.64x = 1,140,412.89 × 463,913.38
  4. Step 4: Simplify right side
    826,449.64x = 529,052,798,395.47
  5. Step 5: Solve for x
    x = 529,052,798,395.47/826,449.64
  6. Step 6: Final answer
    x = 640,151.28

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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.