Home / 957,998.70-1,436,479.65-397,089.90

Finding the Fourth Proportional to 957,998.70, 1,436,479.65 and 397,089.90

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Solution

The fourth proportional to 957,998.70, 1,436,479.65 and 397,089.90 is: 595,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,998.70 : 1,436,479.65 = 397,089.90 : x
  2. Step 2: Convert to fraction form
    957,998.70/1,436,479.65 = 397,089.90/x
  3. Step 3: Cross multiply
    957,998.70x = 1,436,479.65 × 397,089.90
  4. Step 4: Simplify right side
    957,998.70x = 570,411,560,570.54
  5. Step 5: Solve for x
    x = 570,411,560,570.54/957,998.70
  6. Step 6: Final answer
    x = 595,419.97

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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.