Home / 413,795.24-621,000.89-307,426.85

Finding the Fourth Proportional to 413,795.24, 621,000.89 and 307,426.85

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Solution

The fourth proportional to 413,795.24, 621,000.89 and 307,426.85 is: 461,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,795.24 : 621,000.89 = 307,426.85 : x
  2. Step 2: Convert to fraction form
    413,795.24/621,000.89 = 307,426.85/x
  3. Step 3: Cross multiply
    413,795.24x = 621,000.89 × 307,426.85
  4. Step 4: Simplify right side
    413,795.24x = 190,912,347,459.90
  5. Step 5: Solve for x
    x = 190,912,347,459.90/413,795.24
  6. Step 6: Final answer
    x = 461,369.12

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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.