Home / 755,812.50-1,043,021.25-416,280.75

Finding the Fourth Proportional to 755,812.50, 1,043,021.25 and 416,280.75

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Solution

The fourth proportional to 755,812.50, 1,043,021.25 and 416,280.75 is: 574,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,812.50 : 1,043,021.25 = 416,280.75 : x
  2. Step 2: Convert to fraction form
    755,812.50/1,043,021.25 = 416,280.75/x
  3. Step 3: Cross multiply
    755,812.50x = 1,043,021.25 × 416,280.75
  4. Step 4: Simplify right side
    755,812.50x = 434,189,668,215.94
  5. Step 5: Solve for x
    x = 434,189,668,215.94/755,812.50
  6. Step 6: Final answer
    x = 574,467.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.