Home / 499,766.08-689,677.19-270,323.35

Finding the Fourth Proportional to 499,766.08, 689,677.19 and 270,323.35

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Solution

The fourth proportional to 499,766.08, 689,677.19 and 270,323.35 is: 373,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,766.08 : 689,677.19 = 270,323.35 : x
  2. Step 2: Convert to fraction form
    499,766.08/689,677.19 = 270,323.35/x
  3. Step 3: Cross multiply
    499,766.08x = 689,677.19 × 270,323.35
  4. Step 4: Simplify right side
    499,766.08x = 186,435,848,419.39
  5. Step 5: Solve for x
    x = 186,435,848,419.39/499,766.08
  6. Step 6: Final answer
    x = 373,046.22

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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.