Home / 910,560.24-1,365,720.24-279,421.20

Finding the Fourth Proportional to 910,560.24, 1,365,720.24 and 279,421.20

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Solution

The fourth proportional to 910,560.24, 1,365,720.24 and 279,421.20 is: 419,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,560.24 : 1,365,720.24 = 279,421.20 : x
  2. Step 2: Convert to fraction form
    910,560.24/1,365,720.24 = 279,421.20/x
  3. Step 3: Cross multiply
    910,560.24x = 1,365,720.24 × 279,421.20
  4. Step 4: Simplify right side
    910,560.24x = 381,611,188,325.09
  5. Step 5: Solve for x
    x = 381,611,188,325.09/910,560.24
  6. Step 6: Final answer
    x = 419,094.94

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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.