Home / 780,671.22-1,076,910.72-474,841.14

Finding the Fourth Proportional to 780,671.22, 1,076,910.72 and 474,841.14

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Solution

The fourth proportional to 780,671.22, 1,076,910.72 and 474,841.14 is: 655,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,671.22 : 1,076,910.72 = 474,841.14 : x
  2. Step 2: Convert to fraction form
    780,671.22/1,076,910.72 = 474,841.14/x
  3. Step 3: Cross multiply
    780,671.22x = 1,076,910.72 × 474,841.14
  4. Step 4: Simplify right side
    780,671.22x = 511,361,513,963.02
  5. Step 5: Solve for x
    x = 511,361,513,963.02/780,671.22
  6. Step 6: Final answer
    x = 655,028.01

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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.