Home / 517,726.40-776,272.48-201,814.25

Finding the Fourth Proportional to 517,726.40, 776,272.48 and 201,814.25

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Solution

The fourth proportional to 517,726.40, 776,272.48 and 201,814.25 is: 302,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,726.40 : 776,272.48 = 201,814.25 : x
  2. Step 2: Convert to fraction form
    517,726.40/776,272.48 = 201,814.25/x
  3. Step 3: Cross multiply
    517,726.40x = 776,272.48 × 201,814.25
  4. Step 4: Simplify right side
    517,726.40x = 156,662,848,346.84
  5. Step 5: Solve for x
    x = 156,662,848,346.84/517,726.40
  6. Step 6: Final answer
    x = 302,597.76

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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.