Home / 747,890.40-1,122,224.40-327,208.80

Finding the Fourth Proportional to 747,890.40, 1,122,224.40 and 327,208.80

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Solution

The fourth proportional to 747,890.40, 1,122,224.40 and 327,208.80 is: 490,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,890.40 : 1,122,224.40 = 327,208.80 : x
  2. Step 2: Convert to fraction form
    747,890.40/1,122,224.40 = 327,208.80/x
  3. Step 3: Cross multiply
    747,890.40x = 1,122,224.40 × 327,208.80
  4. Step 4: Simplify right side
    747,890.40x = 367,201,699,254.72
  5. Step 5: Solve for x
    x = 367,201,699,254.72/747,890.40
  6. Step 6: Final answer
    x = 490,983.30

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Double scale
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1.5x scale

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.