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Finding the Fourth Proportional to 628,082.64, 942,124.60 and 254,108.88

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Solution

The fourth proportional to 628,082.64, 942,124.60 and 254,108.88 is: 381,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,082.64 : 942,124.60 = 254,108.88 : x
  2. Step 2: Convert to fraction form
    628,082.64/942,124.60 = 254,108.88/x
  3. Step 3: Cross multiply
    628,082.64x = 942,124.60 × 254,108.88
  4. Step 4: Simplify right side
    628,082.64x = 239,402,226,926.45
  5. Step 5: Solve for x
    x = 239,402,226,926.45/628,082.64
  6. Step 6: Final answer
    x = 381,163.58

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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.