Home / 821,320.01-1,133,409.66-458,749.02

Finding the Fourth Proportional to 821,320.01, 1,133,409.66 and 458,749.02

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Solution

The fourth proportional to 821,320.01, 1,133,409.66 and 458,749.02 is: 633,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,320.01 : 1,133,409.66 = 458,749.02 : x
  2. Step 2: Convert to fraction form
    821,320.01/1,133,409.66 = 458,749.02/x
  3. Step 3: Cross multiply
    821,320.01x = 1,133,409.66 × 458,749.02
  4. Step 4: Simplify right side
    821,320.01x = 519,950,570,783.53
  5. Step 5: Solve for x
    x = 519,950,570,783.53/821,320.01
  6. Step 6: Final answer
    x = 633,066.97

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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.