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Finding the Fourth Proportional to 884,520, 1,326,780 and 293,544

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Solution

The fourth proportional to 884,520, 1,326,780 and 293,544 is: 440,316

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,520 : 1,326,780 = 293,544 : x
  2. Step 2: Convert to fraction form
    884,520/1,326,780 = 293,544/x
  3. Step 3: Cross multiply
    884,520x = 1,326,780 × 293,544
  4. Step 4: Simplify right side
    884,520x = 389,468,308,320
  5. Step 5: Solve for x
    x = 389,468,308,320/884,520
  6. Step 6: Final answer
    x = 440,316

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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.