Home / 673,922.96-929,989.32-372,110.48

Finding the Fourth Proportional to 673,922.96, 929,989.32 and 372,110.48

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Solution

The fourth proportional to 673,922.96, 929,989.32 and 372,110.48 is: 513,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,922.96 : 929,989.32 = 372,110.48 : x
  2. Step 2: Convert to fraction form
    673,922.96/929,989.32 = 372,110.48/x
  3. Step 3: Cross multiply
    673,922.96x = 929,989.32 × 372,110.48
  4. Step 4: Simplify right side
    673,922.96x = 346,058,772,260.07
  5. Step 5: Solve for x
    x = 346,058,772,260.07/673,922.96
  6. Step 6: Final answer
    x = 513,499.01

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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.