Home / 779,967.22-1,076,361.89-457,682.69

Finding the Fourth Proportional to 779,967.22, 1,076,361.89 and 457,682.69

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Solution

The fourth proportional to 779,967.22, 1,076,361.89 and 457,682.69 is: 631,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,967.22 : 1,076,361.89 = 457,682.69 : x
  2. Step 2: Convert to fraction form
    779,967.22/1,076,361.89 = 457,682.69/x
  3. Step 3: Cross multiply
    779,967.22x = 1,076,361.89 × 457,682.69
  4. Step 4: Simplify right side
    779,967.22x = 492,632,205,228.68
  5. Step 5: Solve for x
    x = 492,632,205,228.68/779,967.22
  6. Step 6: Final answer
    x = 631,606.29

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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.