Home / 775,868.43-1,070,691.44-436,329.39

Finding the Fourth Proportional to 775,868.43, 1,070,691.44 and 436,329.39

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Solution

The fourth proportional to 775,868.43, 1,070,691.44 and 436,329.39 is: 602,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,868.43 : 1,070,691.44 = 436,329.39 : x
  2. Step 2: Convert to fraction form
    775,868.43/1,070,691.44 = 436,329.39/x
  3. Step 3: Cross multiply
    775,868.43x = 1,070,691.44 × 436,329.39
  4. Step 4: Simplify right side
    775,868.43x = 467,174,140,711.78
  5. Step 5: Solve for x
    x = 467,174,140,711.78/775,868.43
  6. Step 6: Final answer
    x = 602,130.62

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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.