Home / 673,923.96-929,990.70-372,111.48

Finding the Fourth Proportional to 673,923.96, 929,990.70 and 372,111.48

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Solution

The fourth proportional to 673,923.96, 929,990.70 and 372,111.48 is: 513,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,923.96 : 929,990.70 = 372,111.48 : x
  2. Step 2: Convert to fraction form
    673,923.96/929,990.70 = 372,111.48/x
  3. Step 3: Cross multiply
    673,923.96x = 929,990.70 × 372,111.48
  4. Step 4: Simplify right side
    673,923.96x = 346,060,215,763.24
  5. Step 5: Solve for x
    x = 346,060,215,763.24/673,923.96
  6. Step 6: Final answer
    x = 513,500.39

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1.5x scale

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.