Home / 821,077.25-1,133,064.60-458,491.01

Finding the Fourth Proportional to 821,077.25, 1,133,064.60 and 458,491.01

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Solution

The fourth proportional to 821,077.25, 1,133,064.60 and 458,491.01 is: 632,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,077.25 : 1,133,064.60 = 458,491.01 : x
  2. Step 2: Convert to fraction form
    821,077.25/1,133,064.60 = 458,491.01/x
  3. Step 3: Cross multiply
    821,077.25x = 1,133,064.60 × 458,491.01
  4. Step 4: Simplify right side
    821,077.25x = 519,499,932,849.25
  5. Step 5: Solve for x
    x = 519,499,932,849.25/821,077.25
  6. Step 6: Final answer
    x = 632,705.31

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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.