Home / 756,783.68-1,135,452.36-352,168.92

Finding the Fourth Proportional to 756,783.68, 1,135,452.36 and 352,168.92

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Solution

The fourth proportional to 756,783.68, 1,135,452.36 and 352,168.92 is: 528,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,783.68 : 1,135,452.36 = 352,168.92 : x
  2. Step 2: Convert to fraction form
    756,783.68/1,135,452.36 = 352,168.92/x
  3. Step 3: Cross multiply
    756,783.68x = 1,135,452.36 × 352,168.92
  4. Step 4: Simplify right side
    756,783.68x = 399,871,031,332.65
  5. Step 5: Solve for x
    x = 399,871,031,332.65/756,783.68
  6. Step 6: Final answer
    x = 528,382.21

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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.