Home / 821,557.22-1,133,802.17-458,983.03

Finding the Fourth Proportional to 821,557.22, 1,133,802.17 and 458,983.03

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Solution

The fourth proportional to 821,557.22, 1,133,802.17 and 458,983.03 is: 633,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,557.22 : 1,133,802.17 = 458,983.03 : x
  2. Step 2: Convert to fraction form
    821,557.22/1,133,802.17 = 458,983.03/x
  3. Step 3: Cross multiply
    821,557.22x = 1,133,802.17 × 458,983.03
  4. Step 4: Simplify right side
    821,557.22x = 520,395,955,407.18
  5. Step 5: Solve for x
    x = 520,395,955,407.18/821,557.22
  6. Step 6: Final answer
    x = 633,426.31

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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.