Home / 727,123.56-1,090,554-253,944.24

Finding the Fourth Proportional to 727,123.56, 1,090,554 and 253,944.24

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Solution

The fourth proportional to 727,123.56, 1,090,554 and 253,944.24 is: 380,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,123.56 : 1,090,554 = 253,944.24 : x
  2. Step 2: Convert to fraction form
    727,123.56/1,090,554 = 253,944.24/x
  3. Step 3: Cross multiply
    727,123.56x = 1,090,554 × 253,944.24
  4. Step 4: Simplify right side
    727,123.56x = 276,939,906,708.96
  5. Step 5: Solve for x
    x = 276,939,906,708.96/727,123.56
  6. Step 6: Final answer
    x = 380,870.49

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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.