Home / 759,674.45-1,139,179.34-360,429.10

Finding the Fourth Proportional to 759,674.45, 1,139,179.34 and 360,429.10

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Solution

The fourth proportional to 759,674.45, 1,139,179.34 and 360,429.10 is: 540,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,674.45 : 1,139,179.34 = 360,429.10 : x
  2. Step 2: Convert to fraction form
    759,674.45/1,139,179.34 = 360,429.10/x
  3. Step 3: Cross multiply
    759,674.45x = 1,139,179.34 × 360,429.10
  4. Step 4: Simplify right side
    759,674.45x = 410,593,382,307.92
  5. Step 5: Solve for x
    x = 410,593,382,307.92/759,674.45
  6. Step 6: Final answer
    x = 540,485.97

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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.