Home / 900,854.68-1,243,179.41-492,956.57

Finding the Fourth Proportional to 900,854.68, 1,243,179.41 and 492,956.57

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Solution

The fourth proportional to 900,854.68, 1,243,179.41 and 492,956.57 is: 680,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,854.68 : 1,243,179.41 = 492,956.57 : x
  2. Step 2: Convert to fraction form
    900,854.68/1,243,179.41 = 492,956.57/x
  3. Step 3: Cross multiply
    900,854.68x = 1,243,179.41 × 492,956.57
  4. Step 4: Simplify right side
    900,854.68x = 612,833,458,786.00
  5. Step 5: Solve for x
    x = 612,833,458,786.00/900,854.68
  6. Step 6: Final answer
    x = 680,280.04

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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.