Home / 782,789.94-1,080,254.26-438,626.60

Finding the Fourth Proportional to 782,789.94, 1,080,254.26 and 438,626.60

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Solution

The fourth proportional to 782,789.94, 1,080,254.26 and 438,626.60 is: 605,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,789.94 : 1,080,254.26 = 438,626.60 : x
  2. Step 2: Convert to fraction form
    782,789.94/1,080,254.26 = 438,626.60/x
  3. Step 3: Cross multiply
    782,789.94x = 1,080,254.26 × 438,626.60
  4. Step 4: Simplify right side
    782,789.94x = 473,828,253,199.32
  5. Step 5: Solve for x
    x = 473,828,253,199.32/782,789.94
  6. Step 6: Final answer
    x = 605,307.03

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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.