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Finding the Fourth Proportional to 883,368, 1,325,052 and 218,520

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Solution

The fourth proportional to 883,368, 1,325,052 and 218,520 is: 327,780

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,368 : 1,325,052 = 218,520 : x
  2. Step 2: Convert to fraction form
    883,368/1,325,052 = 218,520/x
  3. Step 3: Cross multiply
    883,368x = 1,325,052 × 218,520
  4. Step 4: Simplify right side
    883,368x = 289,550,363,040
  5. Step 5: Solve for x
    x = 289,550,363,040/883,368
  6. Step 6: Final answer
    x = 327,780

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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.