Home / 909,910.98-1,255,748.40-502,093.80

Finding the Fourth Proportional to 909,910.98, 1,255,748.40 and 502,093.80

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Solution

The fourth proportional to 909,910.98, 1,255,748.40 and 502,093.80 is: 692,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,910.98 : 1,255,748.40 = 502,093.80 : x
  2. Step 2: Convert to fraction form
    909,910.98/1,255,748.40 = 502,093.80/x
  3. Step 3: Cross multiply
    909,910.98x = 1,255,748.40 × 502,093.80
  4. Step 4: Simplify right side
    909,910.98x = 630,503,485,999.92
  5. Step 5: Solve for x
    x = 630,503,485,999.92/909,910.98
  6. Step 6: Final answer
    x = 692,928.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.