Home / 947,983.23-1,308,221.48-518,263.38

Finding the Fourth Proportional to 947,983.23, 1,308,221.48 and 518,263.38

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Solution

The fourth proportional to 947,983.23, 1,308,221.48 and 518,263.38 is: 715,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,983.23 : 1,308,221.48 = 518,263.38 : x
  2. Step 2: Convert to fraction form
    947,983.23/1,308,221.48 = 518,263.38/x
  3. Step 3: Cross multiply
    947,983.23x = 1,308,221.48 × 518,263.38
  4. Step 4: Simplify right side
    947,983.23x = 678,003,286,013.40
  5. Step 5: Solve for x
    x = 678,003,286,013.40/947,983.23
  6. Step 6: Final answer
    x = 715,205.99

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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.