Home / 917,348.40-1,376,022.60-908,491.05

Finding the Fourth Proportional to 917,348.40, 1,376,022.60 and 908,491.05

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Solution

The fourth proportional to 917,348.40, 1,376,022.60 and 908,491.05 is: 1,362,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,348.40 : 1,376,022.60 = 908,491.05 : x
  2. Step 2: Convert to fraction form
    917,348.40/1,376,022.60 = 908,491.05/x
  3. Step 3: Cross multiply
    917,348.40x = 1,376,022.60 × 908,491.05
  4. Step 4: Simplify right side
    917,348.40x = 1,250,104,216,697.73
  5. Step 5: Solve for x
    x = 1,250,104,216,697.73/917,348.40
  6. Step 6: Final answer
    x = 1,362,736.58

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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.