Home / 545,027.84-752,131.20-306,563.84

Finding the Fourth Proportional to 545,027.84, 752,131.20 and 306,563.84

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Solution

The fourth proportional to 545,027.84, 752,131.20 and 306,563.84 is: 423,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,027.84 : 752,131.20 = 306,563.84 : x
  2. Step 2: Convert to fraction form
    545,027.84/752,131.20 = 306,563.84/x
  3. Step 3: Cross multiply
    545,027.84x = 752,131.20 × 306,563.84
  4. Step 4: Simplify right side
    545,027.84x = 230,576,228,855.81
  5. Step 5: Solve for x
    x = 230,576,228,855.81/545,027.84
  6. Step 6: Final answer
    x = 423,054.04

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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.