Home / 768,343.82-1,060,453.27-458,266.28

Finding the Fourth Proportional to 768,343.82, 1,060,453.27 and 458,266.28

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Solution

The fourth proportional to 768,343.82, 1,060,453.27 and 458,266.28 is: 632,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,343.82 : 1,060,453.27 = 458,266.28 : x
  2. Step 2: Convert to fraction form
    768,343.82/1,060,453.27 = 458,266.28/x
  3. Step 3: Cross multiply
    768,343.82x = 1,060,453.27 × 458,266.28
  4. Step 4: Simplify right side
    768,343.82x = 485,969,975,962.73
  5. Step 5: Solve for x
    x = 485,969,975,962.73/768,343.82
  6. Step 6: Final answer
    x = 632,490.25

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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.