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Finding the Fourth Proportional to 617,944.40, 925,879.80 and 301,720.40

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Solution

The fourth proportional to 617,944.40, 925,879.80 and 301,720.40 is: 452,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,944.40 : 925,879.80 = 301,720.40 : x
  2. Step 2: Convert to fraction form
    617,944.40/925,879.80 = 301,720.40/x
  3. Step 3: Cross multiply
    617,944.40x = 925,879.80 × 301,720.40
  4. Step 4: Simplify right side
    617,944.40x = 279,356,823,607.92
  5. Step 5: Solve for x
    x = 279,356,823,607.92/617,944.40
  6. Step 6: Final answer
    x = 452,074.37

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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.