Home / 657,562.23-985,550.22-320,097.06

Finding the Fourth Proportional to 657,562.23, 985,550.22 and 320,097.06

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Solution

The fourth proportional to 657,562.23, 985,550.22 and 320,097.06 is: 479,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,562.23 : 985,550.22 = 320,097.06 : x
  2. Step 2: Convert to fraction form
    657,562.23/985,550.22 = 320,097.06/x
  3. Step 3: Cross multiply
    657,562.23x = 985,550.22 × 320,097.06
  4. Step 4: Simplify right side
    657,562.23x = 315,471,727,904.35
  5. Step 5: Solve for x
    x = 315,471,727,904.35/657,562.23
  6. Step 6: Final answer
    x = 479,759.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.