Home / 712,960.40-1,068,576.60-412,864.40

Finding the Fourth Proportional to 712,960.40, 1,068,576.60 and 412,864.40

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Solution

The fourth proportional to 712,960.40, 1,068,576.60 and 412,864.40 is: 618,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,960.40 : 1,068,576.60 = 412,864.40 : x
  2. Step 2: Convert to fraction form
    712,960.40/1,068,576.60 = 412,864.40/x
  3. Step 3: Cross multiply
    712,960.40x = 1,068,576.60 × 412,864.40
  4. Step 4: Simplify right side
    712,960.40x = 441,177,236,813.04
  5. Step 5: Solve for x
    x = 441,177,236,813.04/712,960.40
  6. Step 6: Final answer
    x = 618,796.27

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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.