Home / 749,666.09-1,034,672.40-443,912.22

Finding the Fourth Proportional to 749,666.09, 1,034,672.40 and 443,912.22

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Solution

The fourth proportional to 749,666.09, 1,034,672.40 and 443,912.22 is: 612,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,666.09 : 1,034,672.40 = 443,912.22 : x
  2. Step 2: Convert to fraction form
    749,666.09/1,034,672.40 = 443,912.22/x
  3. Step 3: Cross multiply
    749,666.09x = 1,034,672.40 × 443,912.22
  4. Step 4: Simplify right side
    749,666.09x = 459,303,722,056.73
  5. Step 5: Solve for x
    x = 459,303,722,056.73/749,666.09
  6. Step 6: Final answer
    x = 612,677.73

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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.