Home / 698,709.60-1,047,317.07-361,410.84

Finding the Fourth Proportional to 698,709.60, 1,047,317.07 and 361,410.84

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Solution

The fourth proportional to 698,709.60, 1,047,317.07 and 361,410.84 is: 541,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,709.60 : 1,047,317.07 = 361,410.84 : x
  2. Step 2: Convert to fraction form
    698,709.60/1,047,317.07 = 361,410.84/x
  3. Step 3: Cross multiply
    698,709.60x = 1,047,317.07 × 361,410.84
  4. Step 4: Simplify right side
    698,709.60x = 378,511,742,015.04
  5. Step 5: Solve for x
    x = 378,511,742,015.04/698,709.60
  6. Step 6: Final answer
    x = 541,729.70

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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.