Home / 552,187.13-827,836.61-312,152.94

Finding the Fourth Proportional to 552,187.13, 827,836.61 and 312,152.94

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Solution

The fourth proportional to 552,187.13, 827,836.61 and 312,152.94 is: 467,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,187.13 : 827,836.61 = 312,152.94 : x
  2. Step 2: Convert to fraction form
    552,187.13/827,836.61 = 312,152.94/x
  3. Step 3: Cross multiply
    552,187.13x = 827,836.61 × 312,152.94
  4. Step 4: Simplify right side
    552,187.13x = 258,411,630,090.37
  5. Step 5: Solve for x
    x = 258,411,630,090.37/552,187.13
  6. Step 6: Final answer
    x = 467,978.37

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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.