Home / 447,736.40-671,604.60-406,402.10

Finding the Fourth Proportional to 447,736.40, 671,604.60 and 406,402.10

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Solution

The fourth proportional to 447,736.40, 671,604.60 and 406,402.10 is: 609,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,736.40 : 671,604.60 = 406,402.10 : x
  2. Step 2: Convert to fraction form
    447,736.40/671,604.60 = 406,402.10/x
  3. Step 3: Cross multiply
    447,736.40x = 671,604.60 × 406,402.10
  4. Step 4: Simplify right side
    447,736.40x = 272,941,519,809.66
  5. Step 5: Solve for x
    x = 272,941,519,809.66/447,736.40
  6. Step 6: Final answer
    x = 609,603.15

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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.