Home / 875,667.42-1,208,374.12-493,669.60

Finding the Fourth Proportional to 875,667.42, 1,208,374.12 and 493,669.60

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Solution

The fourth proportional to 875,667.42, 1,208,374.12 and 493,669.60 is: 681,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,667.42 : 1,208,374.12 = 493,669.60 : x
  2. Step 2: Convert to fraction form
    875,667.42/1,208,374.12 = 493,669.60/x
  3. Step 3: Cross multiply
    875,667.42x = 1,208,374.12 × 493,669.60
  4. Step 4: Simplify right side
    875,667.42x = 596,537,568,470.75
  5. Step 5: Solve for x
    x = 596,537,568,470.75/875,667.42
  6. Step 6: Final answer
    x = 681,237.60

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1.5x scale

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.