Home / 907,785.60-1,361,678.40-276,730.80

Finding the Fourth Proportional to 907,785.60, 1,361,678.40 and 276,730.80

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Solution

The fourth proportional to 907,785.60, 1,361,678.40 and 276,730.80 is: 415,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,785.60 : 1,361,678.40 = 276,730.80 : x
  2. Step 2: Convert to fraction form
    907,785.60/1,361,678.40 = 276,730.80/x
  3. Step 3: Cross multiply
    907,785.60x = 1,361,678.40 × 276,730.80
  4. Step 4: Simplify right side
    907,785.60x = 376,818,352,974.72
  5. Step 5: Solve for x
    x = 376,818,352,974.72/907,785.60
  6. Step 6: Final answer
    x = 415,096.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.