Home / 685,681.71-1,027,576.68-517,016.67

Finding the Fourth Proportional to 685,681.71, 1,027,576.68 and 517,016.67

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Solution

The fourth proportional to 685,681.71, 1,027,576.68 and 517,016.67 is: 774,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,681.71 : 1,027,576.68 = 517,016.67 : x
  2. Step 2: Convert to fraction form
    685,681.71/1,027,576.68 = 517,016.67/x
  3. Step 3: Cross multiply
    685,681.71x = 1,027,576.68 × 517,016.67
  4. Step 4: Simplify right side
    685,681.71x = 531,274,276,159.37
  5. Step 5: Solve for x
    x = 531,274,276,159.37/685,681.71
  6. Step 6: Final answer
    x = 774,811.80

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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.