Home / 971,937.60-1,457,897.76-261,906.72

Finding the Fourth Proportional to 971,937.60, 1,457,897.76 and 261,906.72

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Solution

The fourth proportional to 971,937.60, 1,457,897.76 and 261,906.72 is: 392,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,937.60 : 1,457,897.76 = 261,906.72 : x
  2. Step 2: Convert to fraction form
    971,937.60/1,457,897.76 = 261,906.72/x
  3. Step 3: Cross multiply
    971,937.60x = 1,457,897.76 × 261,906.72
  4. Step 4: Simplify right side
    971,937.60x = 381,833,220,416.95
  5. Step 5: Solve for x
    x = 381,833,220,416.95/971,937.60
  6. Step 6: Final answer
    x = 392,857.75

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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.