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Finding the Fourth Proportional to 459,798.87, 634,610.26 and 304,476.40

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Solution

The fourth proportional to 459,798.87, 634,610.26 and 304,476.40 is: 420,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,798.87 : 634,610.26 = 304,476.40 : x
  2. Step 2: Convert to fraction form
    459,798.87/634,610.26 = 304,476.40/x
  3. Step 3: Cross multiply
    459,798.87x = 634,610.26 × 304,476.40
  4. Step 4: Simplify right side
    459,798.87x = 193,223,845,020.15
  5. Step 5: Solve for x
    x = 193,223,845,020.15/459,798.87
  6. Step 6: Final answer
    x = 420,235.58

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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.