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Finding the Fourth Proportional to 884,472, 1,326,915.36 and 293,496

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Solution

The fourth proportional to 884,472, 1,326,915.36 and 293,496 is: 440,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,472 : 1,326,915.36 = 293,496 : x
  2. Step 2: Convert to fraction form
    884,472/1,326,915.36 = 293,496/x
  3. Step 3: Cross multiply
    884,472x = 1,326,915.36 × 293,496
  4. Step 4: Simplify right side
    884,472x = 389,444,350,498.56
  5. Step 5: Solve for x
    x = 389,444,350,498.56/884,472
  6. Step 6: Final answer
    x = 440,312.81

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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.