Home / 775,179.09-1,069,506.72-452,656.53

Finding the Fourth Proportional to 775,179.09, 1,069,506.72 and 452,656.53

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Solution

The fourth proportional to 775,179.09, 1,069,506.72 and 452,656.53 is: 624,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,179.09 : 1,069,506.72 = 452,656.53 : x
  2. Step 2: Convert to fraction form
    775,179.09/1,069,506.72 = 452,656.53/x
  3. Step 3: Cross multiply
    775,179.09x = 1,069,506.72 × 452,656.53
  4. Step 4: Simplify right side
    775,179.09x = 484,119,200,686.88
  5. Step 5: Solve for x
    x = 484,119,200,686.88/775,179.09
  6. Step 6: Final answer
    x = 624,525.62

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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.