Home / 971,251.20-1,457,295.98-521,446.37

Finding the Fourth Proportional to 971,251.20, 1,457,295.98 and 521,446.37

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Solution

The fourth proportional to 971,251.20, 1,457,295.98 and 521,446.37 is: 782,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,251.20 : 1,457,295.98 = 521,446.37 : x
  2. Step 2: Convert to fraction form
    971,251.20/1,457,295.98 = 521,446.37/x
  3. Step 3: Cross multiply
    971,251.20x = 1,457,295.98 × 521,446.37
  4. Step 4: Simplify right side
    971,251.20x = 759,901,688,892.88
  5. Step 5: Solve for x
    x = 759,901,688,892.88/971,251.20
  6. Step 6: Final answer
    x = 782,394.59

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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.