Home / 724,389.67-1,086,772.83-275,113.45

Finding the Fourth Proportional to 724,389.67, 1,086,772.83 and 275,113.45

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Solution

The fourth proportional to 724,389.67, 1,086,772.83 and 275,113.45 is: 412,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,389.67 : 1,086,772.83 = 275,113.45 : x
  2. Step 2: Convert to fraction form
    724,389.67/1,086,772.83 = 275,113.45/x
  3. Step 3: Cross multiply
    724,389.67x = 1,086,772.83 × 275,113.45
  4. Step 4: Simplify right side
    724,389.67x = 298,985,822,627.56
  5. Step 5: Solve for x
    x = 298,985,822,627.56/724,389.67
  6. Step 6: Final answer
    x = 412,741.70

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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.