Home / 772,072.94-1,065,525.36-427,993.04

Finding the Fourth Proportional to 772,072.94, 1,065,525.36 and 427,993.04

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Solution

The fourth proportional to 772,072.94, 1,065,525.36 and 427,993.04 is: 590,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,072.94 : 1,065,525.36 = 427,993.04 : x
  2. Step 2: Convert to fraction form
    772,072.94/1,065,525.36 = 427,993.04/x
  3. Step 3: Cross multiply
    772,072.94x = 1,065,525.36 × 427,993.04
  4. Step 4: Simplify right side
    772,072.94x = 456,037,438,023.49
  5. Step 5: Solve for x
    x = 456,037,438,023.49/772,072.94
  6. Step 6: Final answer
    x = 590,666.26

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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.