Home / 775,537.88-1,070,242.29-453,518.55

Finding the Fourth Proportional to 775,537.88, 1,070,242.29 and 453,518.55

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Solution

The fourth proportional to 775,537.88, 1,070,242.29 and 453,518.55 is: 625,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,537.88 : 1,070,242.29 = 453,518.55 : x
  2. Step 2: Convert to fraction form
    775,537.88/1,070,242.29 = 453,518.55/x
  3. Step 3: Cross multiply
    775,537.88x = 1,070,242.29 × 453,518.55
  4. Step 4: Simplify right side
    775,537.88x = 485,374,731,509.48
  5. Step 5: Solve for x
    x = 485,374,731,509.48/775,537.88
  6. Step 6: Final answer
    x = 625,855.61

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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.