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Finding the Fourth Proportional to 634,279.36, 951,577.68 and 447,655.36

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Solution

The fourth proportional to 634,279.36, 951,577.68 and 447,655.36 is: 671,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,279.36 : 951,577.68 = 447,655.36 : x
  2. Step 2: Convert to fraction form
    634,279.36/951,577.68 = 447,655.36/x
  3. Step 3: Cross multiply
    634,279.36x = 951,577.68 × 447,655.36
  4. Step 4: Simplify right side
    634,279.36x = 425,978,848,908.37
  5. Step 5: Solve for x
    x = 425,978,848,908.37/634,279.36
  6. Step 6: Final answer
    x = 671,595.00

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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.