Home / 774,215.68-1,068,535.04-472,584.96

Finding the Fourth Proportional to 774,215.68, 1,068,535.04 and 472,584.96

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Solution

The fourth proportional to 774,215.68, 1,068,535.04 and 472,584.96 is: 652,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,215.68 : 1,068,535.04 = 472,584.96 : x
  2. Step 2: Convert to fraction form
    774,215.68/1,068,535.04 = 472,584.96/x
  3. Step 3: Cross multiply
    774,215.68x = 1,068,535.04 × 472,584.96
  4. Step 4: Simplify right side
    774,215.68x = 504,973,589,137.00
  5. Step 5: Solve for x
    x = 504,973,589,137.00/774,215.68
  6. Step 6: Final answer
    x = 652,238.91

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1.5x scale

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.