Home / 477,981.13-659,622.27-274,065.25

Finding the Fourth Proportional to 477,981.13, 659,622.27 and 274,065.25

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Solution

The fourth proportional to 477,981.13, 659,622.27 and 274,065.25 is: 378,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,981.13 : 659,622.27 = 274,065.25 : x
  2. Step 2: Convert to fraction form
    477,981.13/659,622.27 = 274,065.25/x
  3. Step 3: Cross multiply
    477,981.13x = 659,622.27 × 274,065.25
  4. Step 4: Simplify right side
    477,981.13x = 180,779,542,333.12
  5. Step 5: Solve for x
    x = 180,779,542,333.12/477,981.13
  6. Step 6: Final answer
    x = 378,214.81

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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.