Home / 459,970.11-634,489.72-298,932.42

Finding the Fourth Proportional to 459,970.11, 634,489.72 and 298,932.42

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Solution

The fourth proportional to 459,970.11, 634,489.72 and 298,932.42 is: 412,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,970.11 : 634,489.72 = 298,932.42 : x
  2. Step 2: Convert to fraction form
    459,970.11/634,489.72 = 298,932.42/x
  3. Step 3: Cross multiply
    459,970.11x = 634,489.72 × 298,932.42
  4. Step 4: Simplify right side
    459,970.11x = 189,669,545,970.06
  5. Step 5: Solve for x
    x = 189,669,545,970.06/459,970.11
  6. Step 6: Final answer
    x = 412,351.89

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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.