Home / 775,454.31-1,069,968.49-453,102.10

Finding the Fourth Proportional to 775,454.31, 1,069,968.49 and 453,102.10

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Solution

The fourth proportional to 775,454.31, 1,069,968.49 and 453,102.10 is: 625,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,454.31 : 1,069,968.49 = 453,102.10 : x
  2. Step 2: Convert to fraction form
    775,454.31/1,069,968.49 = 453,102.10/x
  3. Step 3: Cross multiply
    775,454.31x = 1,069,968.49 × 453,102.10
  4. Step 4: Simplify right side
    775,454.31x = 484,804,971,963.73
  5. Step 5: Solve for x
    x = 484,804,971,963.73/775,454.31
  6. Step 6: Final answer
    x = 625,188.31

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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.