Home / 724,203.60-1,086,564.60-303,608.40

Finding the Fourth Proportional to 724,203.60, 1,086,564.60 and 303,608.40

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Solution

The fourth proportional to 724,203.60, 1,086,564.60 and 303,608.40 is: 455,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,203.60 : 1,086,564.60 = 303,608.40 : x
  2. Step 2: Convert to fraction form
    724,203.60/1,086,564.60 = 303,608.40/x
  3. Step 3: Cross multiply
    724,203.60x = 1,086,564.60 × 303,608.40
  4. Step 4: Simplify right side
    724,203.60x = 329,890,139,702.64
  5. Step 5: Solve for x
    x = 329,890,139,702.64/724,203.60
  6. Step 6: Final answer
    x = 455,521.26

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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.