Home / 724,460.70-1,086,685.65-219,020.70

Finding the Fourth Proportional to 724,460.70, 1,086,685.65 and 219,020.70

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Solution

The fourth proportional to 724,460.70, 1,086,685.65 and 219,020.70 is: 328,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,460.70 : 1,086,685.65 = 219,020.70 : x
  2. Step 2: Convert to fraction form
    724,460.70/1,086,685.65 = 219,020.70/x
  3. Step 3: Cross multiply
    724,460.70x = 1,086,685.65 × 219,020.70
  4. Step 4: Simplify right side
    724,460.70x = 238,006,651,742.96
  5. Step 5: Solve for x
    x = 238,006,651,742.96/724,460.70
  6. Step 6: Final answer
    x = 328,529.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.