Home / 775,428.74-1,069,933.48-453,076.49

Finding the Fourth Proportional to 775,428.74, 1,069,933.48 and 453,076.49

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Solution

The fourth proportional to 775,428.74, 1,069,933.48 and 453,076.49 is: 625,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,428.74 : 1,069,933.48 = 453,076.49 : x
  2. Step 2: Convert to fraction form
    775,428.74/1,069,933.48 = 453,076.49/x
  3. Step 3: Cross multiply
    775,428.74x = 1,069,933.48 × 453,076.49
  4. Step 4: Simplify right side
    775,428.74x = 484,761,702,449.93
  5. Step 5: Solve for x
    x = 484,761,702,449.93/775,428.74
  6. Step 6: Final answer
    x = 625,153.12

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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.