Home / 759,959.80-1,139,938.76-360,382.56

Finding the Fourth Proportional to 759,959.80, 1,139,938.76 and 360,382.56

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Solution

The fourth proportional to 759,959.80, 1,139,938.76 and 360,382.56 is: 540,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,959.80 : 1,139,938.76 = 360,382.56 : x
  2. Step 2: Convert to fraction form
    759,959.80/1,139,938.76 = 360,382.56/x
  3. Step 3: Cross multiply
    759,959.80x = 1,139,938.76 × 360,382.56
  4. Step 4: Simplify right side
    759,959.80x = 410,814,048,572.03
  5. Step 5: Solve for x
    x = 410,814,048,572.03/759,959.80
  6. Step 6: Final answer
    x = 540,573.39

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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.