Home / 953,393.52-1,430,102.31-279,488.36

Finding the Fourth Proportional to 953,393.52, 1,430,102.31 and 279,488.36

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Solution

The fourth proportional to 953,393.52, 1,430,102.31 and 279,488.36 is: 419,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,393.52 : 1,430,102.31 = 279,488.36 : x
  2. Step 2: Convert to fraction form
    953,393.52/1,430,102.31 = 279,488.36/x
  3. Step 3: Cross multiply
    953,393.52x = 1,430,102.31 × 279,488.36
  4. Step 4: Simplify right side
    953,393.52x = 399,696,942,103.60
  5. Step 5: Solve for x
    x = 399,696,942,103.60/953,393.52
  6. Step 6: Final answer
    x = 419,236.06

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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.