Home / 749,608.14-1,123,628.85-328,529.10

Finding the Fourth Proportional to 749,608.14, 1,123,628.85 and 328,529.10

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Solution

The fourth proportional to 749,608.14, 1,123,628.85 and 328,529.10 is: 492,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,608.14 : 1,123,628.85 = 328,529.10 : x
  2. Step 2: Convert to fraction form
    749,608.14/1,123,628.85 = 328,529.10/x
  3. Step 3: Cross multiply
    749,608.14x = 1,123,628.85 × 328,529.10
  4. Step 4: Simplify right side
    749,608.14x = 369,144,774,824.54
  5. Step 5: Solve for x
    x = 369,144,774,824.54/749,608.14
  6. Step 6: Final answer
    x = 492,450.33

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Similar ratio
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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.