Home / 875,667.73-1,208,374.56-493,669.90

Finding the Fourth Proportional to 875,667.73, 1,208,374.56 and 493,669.90

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Solution

The fourth proportional to 875,667.73, 1,208,374.56 and 493,669.90 is: 681,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,667.73 : 1,208,374.56 = 493,669.90 : x
  2. Step 2: Convert to fraction form
    875,667.73/1,208,374.56 = 493,669.90/x
  3. Step 3: Cross multiply
    875,667.73x = 1,208,374.56 × 493,669.90
  4. Step 4: Simplify right side
    875,667.73x = 596,538,148,197.74
  5. Step 5: Solve for x
    x = 596,538,148,197.74/875,667.73
  6. Step 6: Final answer
    x = 681,238.02

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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.