Home / 775,534.66-1,070,237.84-453,515.31

Finding the Fourth Proportional to 775,534.66, 1,070,237.84 and 453,515.31

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Solution

The fourth proportional to 775,534.66, 1,070,237.84 and 453,515.31 is: 625,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,534.66 : 1,070,237.84 = 453,515.31 : x
  2. Step 2: Convert to fraction form
    775,534.66/1,070,237.84 = 453,515.31/x
  3. Step 3: Cross multiply
    775,534.66x = 1,070,237.84 × 453,515.31
  4. Step 4: Simplify right side
    775,534.66x = 485,369,245,781.33
  5. Step 5: Solve for x
    x = 485,369,245,781.33/775,534.66
  6. Step 6: Final answer
    x = 625,851.13

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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.