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Finding the Fourth Proportional to 573,472.49, 860,383.69 and 293,186.57

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Solution

The fourth proportional to 573,472.49, 860,383.69 and 293,186.57 is: 439,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,472.49 : 860,383.69 = 293,186.57 : x
  2. Step 2: Convert to fraction form
    573,472.49/860,383.69 = 293,186.57/x
  3. Step 3: Cross multiply
    573,472.49x = 860,383.69 × 293,186.57
  4. Step 4: Simplify right side
    573,472.49x = 252,252,937,920.16
  5. Step 5: Solve for x
    x = 252,252,937,920.16/573,472.49
  6. Step 6: Final answer
    x = 439,869.30

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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.