Home / 966,515.98-1,449,218.31-398,289.28

Finding the Fourth Proportional to 966,515.98, 1,449,218.31 and 398,289.28

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Solution

The fourth proportional to 966,515.98, 1,449,218.31 and 398,289.28 is: 597,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,515.98 : 1,449,218.31 = 398,289.28 : x
  2. Step 2: Convert to fraction form
    966,515.98/1,449,218.31 = 398,289.28/x
  3. Step 3: Cross multiply
    966,515.98x = 1,449,218.31 × 398,289.28
  4. Step 4: Simplify right side
    966,515.98x = 577,208,117,252.72
  5. Step 5: Solve for x
    x = 577,208,117,252.72/966,515.98
  6. Step 6: Final answer
    x = 597,204.94

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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.