Home / 957,921-1,436,881.50-389,611.31

Finding the Fourth Proportional to 957,921, 1,436,881.50 and 389,611.31

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Solution

The fourth proportional to 957,921, 1,436,881.50 and 389,611.31 is: 584,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,921 : 1,436,881.50 = 389,611.31 : x
  2. Step 2: Convert to fraction form
    957,921/1,436,881.50 = 389,611.31/x
  3. Step 3: Cross multiply
    957,921x = 1,436,881.50 × 389,611.31
  4. Step 4: Simplify right side
    957,921x = 559,825,276,345.36
  5. Step 5: Solve for x
    x = 559,825,276,345.36/957,921
  6. Step 6: Final answer
    x = 584,416.96

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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.