Home / 775,317.55-1,069,781.39-452,965.36

Finding the Fourth Proportional to 775,317.55, 1,069,781.39 and 452,965.36

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Solution

The fourth proportional to 775,317.55, 1,069,781.39 and 452,965.36 is: 625,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,317.55 : 1,069,781.39 = 452,965.36 : x
  2. Step 2: Convert to fraction form
    775,317.55/1,069,781.39 = 452,965.36/x
  3. Step 3: Cross multiply
    775,317.55x = 1,069,781.39 × 452,965.36
  4. Step 4: Simplify right side
    775,317.55x = 484,573,912,442.65
  5. Step 5: Solve for x
    x = 484,573,912,442.65/775,317.55
  6. Step 6: Final answer
    x = 625,000.57

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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.