Home / 762,560.57-1,143,640.37-362,405.18

Finding the Fourth Proportional to 762,560.57, 1,143,640.37 and 362,405.18

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Solution

The fourth proportional to 762,560.57, 1,143,640.37 and 362,405.18 is: 543,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,560.57 : 1,143,640.37 = 362,405.18 : x
  2. Step 2: Convert to fraction form
    762,560.57/1,143,640.37 = 362,405.18/x
  3. Step 3: Cross multiply
    762,560.57x = 1,143,640.37 × 362,405.18
  4. Step 4: Simplify right side
    762,560.57x = 414,461,189,332.93
  5. Step 5: Solve for x
    x = 414,461,189,332.93/762,560.57
  6. Step 6: Final answer
    x = 543,512.49

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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.