Home / 845,009.66-1,267,516.65-213,923.54

Finding the Fourth Proportional to 845,009.66, 1,267,516.65 and 213,923.54

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Solution

The fourth proportional to 845,009.66, 1,267,516.65 and 213,923.54 is: 320,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,009.66 : 1,267,516.65 = 213,923.54 : x
  2. Step 2: Convert to fraction form
    845,009.66/1,267,516.65 = 213,923.54/x
  3. Step 3: Cross multiply
    845,009.66x = 1,267,516.65 × 213,923.54
  4. Step 4: Simplify right side
    845,009.66x = 271,151,648,776.94
  5. Step 5: Solve for x
    x = 271,151,648,776.94/845,009.66
  6. Step 6: Final answer
    x = 320,885.86

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1.5x scale

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.