Home / 459,811.79-634,628.01-304,489.23

Finding the Fourth Proportional to 459,811.79, 634,628.01 and 304,489.23

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Solution

The fourth proportional to 459,811.79, 634,628.01 and 304,489.23 is: 420,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,811.79 : 634,628.01 = 304,489.23 : x
  2. Step 2: Convert to fraction form
    459,811.79/634,628.01 = 304,489.23/x
  3. Step 3: Cross multiply
    459,811.79x = 634,628.01 × 304,489.23
  4. Step 4: Simplify right side
    459,811.79x = 193,237,392,863.31
  5. Step 5: Solve for x
    x = 193,237,392,863.31/459,811.79
  6. Step 6: Final answer
    x = 420,253.24

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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.