Home / 802,815.34-1,201,713.40-518,125.34

Finding the Fourth Proportional to 802,815.34, 1,201,713.40 and 518,125.34

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Solution

The fourth proportional to 802,815.34, 1,201,713.40 and 518,125.34 is: 775,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,815.34 : 1,201,713.40 = 518,125.34 : x
  2. Step 2: Convert to fraction form
    802,815.34/1,201,713.40 = 518,125.34/x
  3. Step 3: Cross multiply
    802,815.34x = 1,201,713.40 × 518,125.34
  4. Step 4: Simplify right side
    802,815.34x = 622,638,163,957.56
  5. Step 5: Solve for x
    x = 622,638,163,957.56/802,815.34
  6. Step 6: Final answer
    x = 775,568.34

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1.5x scale

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.