Home / 772,466.58-1,065,961.23-428,282.46

Finding the Fourth Proportional to 772,466.58, 1,065,961.23 and 428,282.46

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Solution

The fourth proportional to 772,466.58, 1,065,961.23 and 428,282.46 is: 591,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,466.58 : 1,065,961.23 = 428,282.46 : x
  2. Step 2: Convert to fraction form
    772,466.58/1,065,961.23 = 428,282.46/x
  3. Step 3: Cross multiply
    772,466.58x = 1,065,961.23 × 428,282.46
  4. Step 4: Simplify right side
    772,466.58x = 456,532,497,849.03
  5. Step 5: Solve for x
    x = 456,532,497,849.03/772,466.58
  6. Step 6: Final answer
    x = 591,006.15

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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.