Home / 775,230.80-1,162,068.60-354,808.40

Finding the Fourth Proportional to 775,230.80, 1,162,068.60 and 354,808.40

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Solution

The fourth proportional to 775,230.80, 1,162,068.60 and 354,808.40 is: 531,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,230.80 : 1,162,068.60 = 354,808.40 : x
  2. Step 2: Convert to fraction form
    775,230.80/1,162,068.60 = 354,808.40/x
  3. Step 3: Cross multiply
    775,230.80x = 1,162,068.60 × 354,808.40
  4. Step 4: Simplify right side
    775,230.80x = 412,311,700,656.24
  5. Step 5: Solve for x
    x = 412,311,700,656.24/775,230.80
  6. Step 6: Final answer
    x = 531,856.71

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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.