Home / 757,149.24-1,044,720.54-455,362.68

Finding the Fourth Proportional to 757,149.24, 1,044,720.54 and 455,362.68

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Solution

The fourth proportional to 757,149.24, 1,044,720.54 and 455,362.68 is: 628,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,149.24 : 1,044,720.54 = 455,362.68 : x
  2. Step 2: Convert to fraction form
    757,149.24/1,044,720.54 = 455,362.68/x
  3. Step 3: Cross multiply
    757,149.24x = 1,044,720.54 × 455,362.68
  4. Step 4: Simplify right side
    757,149.24x = 475,726,744,945.45
  5. Step 5: Solve for x
    x = 475,726,744,945.45/757,149.24
  6. Step 6: Final answer
    x = 628,313.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.