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Finding the Fourth Proportional to 637,054.81, 879,171.77 and 365,167.85

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Solution

The fourth proportional to 637,054.81, 879,171.77 and 365,167.85 is: 503,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,054.81 : 879,171.77 = 365,167.85 : x
  2. Step 2: Convert to fraction form
    637,054.81/879,171.77 = 365,167.85/x
  3. Step 3: Cross multiply
    637,054.81x = 879,171.77 × 365,167.85
  4. Step 4: Simplify right side
    637,054.81x = 321,045,261,548.66
  5. Step 5: Solve for x
    x = 321,045,261,548.66/637,054.81
  6. Step 6: Final answer
    x = 503,952.34

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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.