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Finding the Fourth Proportional to 602,489.44, 903,844.86 and 491,145.40

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Solution

The fourth proportional to 602,489.44, 903,844.86 and 491,145.40 is: 736,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,489.44 : 903,844.86 = 491,145.40 : x
  2. Step 2: Convert to fraction form
    602,489.44/903,844.86 = 491,145.40/x
  3. Step 3: Cross multiply
    602,489.44x = 903,844.86 × 491,145.40
  4. Step 4: Simplify right side
    602,489.44x = 443,919,245,302.64
  5. Step 5: Solve for x
    x = 443,919,245,302.64/602,489.44
  6. Step 6: Final answer
    x = 736,808.34

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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.