Home / 771,100.09-1,064,151.37-426,936.01

Finding the Fourth Proportional to 771,100.09, 1,064,151.37 and 426,936.01

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Solution

The fourth proportional to 771,100.09, 1,064,151.37 and 426,936.01 is: 589,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,100.09 : 1,064,151.37 = 426,936.01 : x
  2. Step 2: Convert to fraction form
    771,100.09/1,064,151.37 = 426,936.01/x
  3. Step 3: Cross multiply
    771,100.09x = 1,064,151.37 × 426,936.01
  4. Step 4: Simplify right side
    771,100.09x = 454,324,534,796.56
  5. Step 5: Solve for x
    x = 454,324,534,796.56/771,100.09
  6. Step 6: Final answer
    x = 589,190.10

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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.