Home / 427,816.12-590,664.77-274,913.23

Finding the Fourth Proportional to 427,816.12, 590,664.77 and 274,913.23

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Solution

The fourth proportional to 427,816.12, 590,664.77 and 274,913.23 is: 379,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,816.12 : 590,664.77 = 274,913.23 : x
  2. Step 2: Convert to fraction form
    427,816.12/590,664.77 = 274,913.23/x
  3. Step 3: Cross multiply
    427,816.12x = 590,664.77 × 274,913.23
  4. Step 4: Simplify right side
    427,816.12x = 162,381,558,978.53
  5. Step 5: Solve for x
    x = 162,381,558,978.53/427,816.12
  6. Step 6: Final answer
    x = 379,559.24

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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.