Home / 634,453.68-875,546.64-347,979.36

Finding the Fourth Proportional to 634,453.68, 875,546.64 and 347,979.36

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Solution

The fourth proportional to 634,453.68, 875,546.64 and 347,979.36 is: 480,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,453.68 : 875,546.64 = 347,979.36 : x
  2. Step 2: Convert to fraction form
    634,453.68/875,546.64 = 347,979.36/x
  3. Step 3: Cross multiply
    634,453.68x = 875,546.64 × 347,979.36
  4. Step 4: Simplify right side
    634,453.68x = 304,672,159,437.35
  5. Step 5: Solve for x
    x = 304,672,159,437.35/634,453.68
  6. Step 6: Final answer
    x = 480,211.82

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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.