Home / 700,353.78-1,050,858.72-345,174.18

Finding the Fourth Proportional to 700,353.78, 1,050,858.72 and 345,174.18

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Solution

The fourth proportional to 700,353.78, 1,050,858.72 and 345,174.18 is: 517,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,353.78 : 1,050,858.72 = 345,174.18 : x
  2. Step 2: Convert to fraction form
    700,353.78/1,050,858.72 = 345,174.18/x
  3. Step 3: Cross multiply
    700,353.78x = 1,050,858.72 × 345,174.18
  4. Step 4: Simplify right side
    700,353.78x = 362,729,296,971.85
  5. Step 5: Solve for x
    x = 362,729,296,971.85/700,353.78
  6. Step 6: Final answer
    x = 517,922.95

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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.