Home / 761,738.48-1,051,232.28-422,207

Finding the Fourth Proportional to 761,738.48, 1,051,232.28 and 422,207

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Solution

The fourth proportional to 761,738.48, 1,051,232.28 and 422,207 is: 582,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,738.48 : 1,051,232.28 = 422,207 : x
  2. Step 2: Convert to fraction form
    761,738.48/1,051,232.28 = 422,207/x
  3. Step 3: Cross multiply
    761,738.48x = 1,051,232.28 × 422,207
  4. Step 4: Simplify right side
    761,738.48x = 443,837,627,241.96
  5. Step 5: Solve for x
    x = 443,837,627,241.96/761,738.48
  6. Step 6: Final answer
    x = 582,664.05

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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.