Home / 766,607.98-1,057,940.02-427,076.22

Finding the Fourth Proportional to 766,607.98, 1,057,940.02 and 427,076.22

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Solution

The fourth proportional to 766,607.98, 1,057,940.02 and 427,076.22 is: 589,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,607.98 : 1,057,940.02 = 427,076.22 : x
  2. Step 2: Convert to fraction form
    766,607.98/1,057,940.02 = 427,076.22/x
  3. Step 3: Cross multiply
    766,607.98x = 1,057,940.02 × 427,076.22
  4. Step 4: Simplify right side
    766,607.98x = 451,821,024,728.32
  5. Step 5: Solve for x
    x = 451,821,024,728.32/766,607.98
  6. Step 6: Final answer
    x = 589,376.89

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1.5x scale

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.