Home / 951,284.80-1,312,758.12-521,568.64

Finding the Fourth Proportional to 951,284.80, 1,312,758.12 and 521,568.64

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Solution

The fourth proportional to 951,284.80, 1,312,758.12 and 521,568.64 is: 719,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,284.80 : 1,312,758.12 = 521,568.64 : x
  2. Step 2: Convert to fraction form
    951,284.80/1,312,758.12 = 521,568.64/x
  3. Step 3: Cross multiply
    951,284.80x = 1,312,758.12 × 521,568.64
  4. Step 4: Simplify right side
    951,284.80x = 684,693,467,297.36
  5. Step 5: Solve for x
    x = 684,693,467,297.36/951,284.80
  6. Step 6: Final answer
    x = 719,756.55

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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.