Home / 775,339.87-1,069,812.23-452,987.69

Finding the Fourth Proportional to 775,339.87, 1,069,812.23 and 452,987.69

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Solution

The fourth proportional to 775,339.87, 1,069,812.23 and 452,987.69 is: 625,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,339.87 : 1,069,812.23 = 452,987.69 : x
  2. Step 2: Convert to fraction form
    775,339.87/1,069,812.23 = 452,987.69/x
  3. Step 3: Cross multiply
    775,339.87x = 1,069,812.23 × 452,987.69
  4. Step 4: Simplify right side
    775,339.87x = 484,611,770,801.45
  5. Step 5: Solve for x
    x = 484,611,770,801.45/775,339.87
  6. Step 6: Final answer
    x = 625,031.41

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Double scale
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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.