Home / 768,609.78-1,060,606.89-527,099.46

Finding the Fourth Proportional to 768,609.78, 1,060,606.89 and 527,099.46

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Solution

The fourth proportional to 768,609.78, 1,060,606.89 and 527,099.46 is: 727,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,609.78 : 1,060,606.89 = 527,099.46 : x
  2. Step 2: Convert to fraction form
    768,609.78/1,060,606.89 = 527,099.46/x
  3. Step 3: Cross multiply
    768,609.78x = 1,060,606.89 × 527,099.46
  4. Step 4: Simplify right side
    768,609.78x = 559,045,318,991.28
  5. Step 5: Solve for x
    x = 559,045,318,991.28/768,609.78
  6. Step 6: Final answer
    x = 727,346.09

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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.