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Finding the Fourth Proportional to 637,595.01, 879,908.31 and 365,739.57

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Solution

The fourth proportional to 637,595.01, 879,908.31 and 365,739.57 is: 504,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,595.01 : 879,908.31 = 365,739.57 : x
  2. Step 2: Convert to fraction form
    637,595.01/879,908.31 = 365,739.57/x
  3. Step 3: Cross multiply
    637,595.01x = 879,908.31 × 365,739.57
  4. Step 4: Simplify right side
    637,595.01x = 321,817,286,938.83
  5. Step 5: Solve for x
    x = 321,817,286,938.83/637,595.01
  6. Step 6: Final answer
    x = 504,736.21

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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.