Home / 775,400.24-1,070,101.32-435,890.36

Finding the Fourth Proportional to 775,400.24, 1,070,101.32 and 435,890.36

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Solution

The fourth proportional to 775,400.24, 1,070,101.32 and 435,890.36 is: 601,556.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,400.24 : 1,070,101.32 = 435,890.36 : x
  2. Step 2: Convert to fraction form
    775,400.24/1,070,101.32 = 435,890.36/x
  3. Step 3: Cross multiply
    775,400.24x = 1,070,101.32 × 435,890.36
  4. Step 4: Simplify right side
    775,400.24x = 466,446,849,611.28
  5. Step 5: Solve for x
    x = 466,446,849,611.28/775,400.24
  6. Step 6: Final answer
    x = 601,556.24

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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.