Home / 740,242.80-1,110,040.20-340,750.80

Finding the Fourth Proportional to 740,242.80, 1,110,040.20 and 340,750.80

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Solution

The fourth proportional to 740,242.80, 1,110,040.20 and 340,750.80 is: 510,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,242.80 : 1,110,040.20 = 340,750.80 : x
  2. Step 2: Convert to fraction form
    740,242.80/1,110,040.20 = 340,750.80/x
  3. Step 3: Cross multiply
    740,242.80x = 1,110,040.20 × 340,750.80
  4. Step 4: Simplify right side
    740,242.80x = 378,247,086,182.16
  5. Step 5: Solve for x
    x = 378,247,086,182.16/740,242.80
  6. Step 6: Final answer
    x = 510,977.06

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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.