Home / 724,733.60-1,086,878.94-345,454.50

Finding the Fourth Proportional to 724,733.60, 1,086,878.94 and 345,454.50

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Solution

The fourth proportional to 724,733.60, 1,086,878.94 and 345,454.50 is: 518,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,733.60 : 1,086,878.94 = 345,454.50 : x
  2. Step 2: Convert to fraction form
    724,733.60/1,086,878.94 = 345,454.50/x
  3. Step 3: Cross multiply
    724,733.60x = 1,086,878.94 × 345,454.50
  4. Step 4: Simplify right side
    724,733.60x = 375,467,220,778.23
  5. Step 5: Solve for x
    x = 375,467,220,778.23/724,733.60
  6. Step 6: Final answer
    x = 518,076.19

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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.