Home / 447,737.40-671,606.10-406,403.10

Finding the Fourth Proportional to 447,737.40, 671,606.10 and 406,403.10

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Solution

The fourth proportional to 447,737.40, 671,606.10 and 406,403.10 is: 609,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,737.40 : 671,606.10 = 406,403.10 : x
  2. Step 2: Convert to fraction form
    447,737.40/671,606.10 = 406,403.10/x
  3. Step 3: Cross multiply
    447,737.40x = 671,606.10 × 406,403.10
  4. Step 4: Simplify right side
    447,737.40x = 272,942,801,018.91
  5. Step 5: Solve for x
    x = 272,942,801,018.91/447,737.40
  6. Step 6: Final answer
    x = 609,604.65

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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.