Home / 918,057.30-1,266,932.25-504,632.37

Finding the Fourth Proportional to 918,057.30, 1,266,932.25 and 504,632.37

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Solution

The fourth proportional to 918,057.30, 1,266,932.25 and 504,632.37 is: 696,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,057.30 : 1,266,932.25 = 504,632.37 : x
  2. Step 2: Convert to fraction form
    918,057.30/1,266,932.25 = 504,632.37/x
  3. Step 3: Cross multiply
    918,057.30x = 1,266,932.25 × 504,632.37
  4. Step 4: Simplify right side
    918,057.30x = 639,335,023,946.93
  5. Step 5: Solve for x
    x = 639,335,023,946.93/918,057.30
  6. Step 6: Final answer
    x = 696,399.91

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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.