Home / 821,318.51-1,133,407.59-458,747.52

Finding the Fourth Proportional to 821,318.51, 1,133,407.59 and 458,747.52

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Solution

The fourth proportional to 821,318.51, 1,133,407.59 and 458,747.52 is: 633,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,318.51 : 1,133,407.59 = 458,747.52 : x
  2. Step 2: Convert to fraction form
    821,318.51/1,133,407.59 = 458,747.52/x
  3. Step 3: Cross multiply
    821,318.51x = 1,133,407.59 × 458,747.52
  4. Step 4: Simplify right side
    821,318.51x = 519,947,921,061.68
  5. Step 5: Solve for x
    x = 519,947,921,061.68/821,318.51
  6. Step 6: Final answer
    x = 633,064.90

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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.