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Finding the Fourth Proportional to 494,602.20, 741,903.30 and 292,523.40

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Solution

The fourth proportional to 494,602.20, 741,903.30 and 292,523.40 is: 438,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,602.20 : 741,903.30 = 292,523.40 : x
  2. Step 2: Convert to fraction form
    494,602.20/741,903.30 = 292,523.40/x
  3. Step 3: Cross multiply
    494,602.20x = 741,903.30 × 292,523.40
  4. Step 4: Simplify right side
    494,602.20x = 217,024,075,787.22
  5. Step 5: Solve for x
    x = 217,024,075,787.22/494,602.20
  6. Step 6: Final answer
    x = 438,785.10

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Similar ratio
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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.