Home / 880,627.29-1,215,323.65-493,421.68

Finding the Fourth Proportional to 880,627.29, 1,215,323.65 and 493,421.68

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Solution

The fourth proportional to 880,627.29, 1,215,323.65 and 493,421.68 is: 680,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,627.29 : 1,215,323.65 = 493,421.68 : x
  2. Step 2: Convert to fraction form
    880,627.29/1,215,323.65 = 493,421.68/x
  3. Step 3: Cross multiply
    880,627.29x = 1,215,323.65 × 493,421.68
  4. Step 4: Simplify right side
    880,627.29x = 599,667,029,650.97
  5. Step 5: Solve for x
    x = 599,667,029,650.97/880,627.29
  6. Step 6: Final answer
    x = 680,954.40

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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.