Home / 943,446.88-1,301,972.22-513,735.40

Finding the Fourth Proportional to 943,446.88, 1,301,972.22 and 513,735.40

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Solution

The fourth proportional to 943,446.88, 1,301,972.22 and 513,735.40 is: 708,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,446.88 : 1,301,972.22 = 513,735.40 : x
  2. Step 2: Convert to fraction form
    943,446.88/1,301,972.22 = 513,735.40/x
  3. Step 3: Cross multiply
    943,446.88x = 1,301,972.22 × 513,735.40
  4. Step 4: Simplify right side
    943,446.88x = 668,869,219,230.59
  5. Step 5: Solve for x
    x = 668,869,219,230.59/943,446.88
  6. Step 6: Final answer
    x = 708,963.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.