Home / 445,748.80-614,983.74-254,626.88

Finding the Fourth Proportional to 445,748.80, 614,983.74 and 254,626.88

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Solution

The fourth proportional to 445,748.80, 614,983.74 and 254,626.88 is: 351,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,748.80 : 614,983.74 = 254,626.88 : x
  2. Step 2: Convert to fraction form
    445,748.80/614,983.74 = 254,626.88/x
  3. Step 3: Cross multiply
    445,748.80x = 614,983.74 × 254,626.88
  4. Step 4: Simplify right side
    445,748.80x = 156,591,390,966.93
  5. Step 5: Solve for x
    x = 156,591,390,966.93/445,748.80
  6. Step 6: Final answer
    x = 351,299.64

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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.