Home / 740,528.54-1,110,755.90-260,780.02

Finding the Fourth Proportional to 740,528.54, 1,110,755.90 and 260,780.02

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Solution

The fourth proportional to 740,528.54, 1,110,755.90 and 260,780.02 is: 391,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,528.54 : 1,110,755.90 = 260,780.02 : x
  2. Step 2: Convert to fraction form
    740,528.54/1,110,755.90 = 260,780.02/x
  3. Step 3: Cross multiply
    740,528.54x = 1,110,755.90 × 260,780.02
  4. Step 4: Simplify right side
    740,528.54x = 289,662,945,817.12
  5. Step 5: Solve for x
    x = 289,662,945,817.12/740,528.54
  6. Step 6: Final answer
    x = 391,157.03

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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.