Home / 504,939.58-756,985.30-220,413.65

Finding the Fourth Proportional to 504,939.58, 756,985.30 and 220,413.65

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Solution

The fourth proportional to 504,939.58, 756,985.30 and 220,413.65 is: 330,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,939.58 : 756,985.30 = 220,413.65 : x
  2. Step 2: Convert to fraction form
    504,939.58/756,985.30 = 220,413.65/x
  3. Step 3: Cross multiply
    504,939.58x = 756,985.30 × 220,413.65
  4. Step 4: Simplify right side
    504,939.58x = 166,849,888,633.38
  5. Step 5: Solve for x
    x = 166,849,888,633.38/504,939.58
  6. Step 6: Final answer
    x = 330,435.36

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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.