Home / 810,690.96-1,118,599.56-508,748.88

Finding the Fourth Proportional to 810,690.96, 1,118,599.56 and 508,748.88

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Solution

The fourth proportional to 810,690.96, 1,118,599.56 and 508,748.88 is: 701,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,690.96 : 1,118,599.56 = 508,748.88 : x
  2. Step 2: Convert to fraction form
    810,690.96/1,118,599.56 = 508,748.88/x
  3. Step 3: Cross multiply
    810,690.96x = 1,118,599.56 × 508,748.88
  4. Step 4: Simplify right side
    810,690.96x = 569,086,273,318.49
  5. Step 5: Solve for x
    x = 569,086,273,318.49/810,690.96
  6. Step 6: Final answer
    x = 701,976.83

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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.