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Finding the Fourth Proportional to 550,260.76, 759,037.32 and 345,987.94

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Solution

The fourth proportional to 550,260.76, 759,037.32 and 345,987.94 is: 477,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,260.76 : 759,037.32 = 345,987.94 : x
  2. Step 2: Convert to fraction form
    550,260.76/759,037.32 = 345,987.94/x
  3. Step 3: Cross multiply
    550,260.76x = 759,037.32 × 345,987.94
  4. Step 4: Simplify right side
    550,260.76x = 262,617,758,729.92
  5. Step 5: Solve for x
    x = 262,617,758,729.92/550,260.76
  6. Step 6: Final answer
    x = 477,260.56

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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.