Home / 749,601.14-1,123,618.35-328,522.10

Finding the Fourth Proportional to 749,601.14, 1,123,618.35 and 328,522.10

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Solution

The fourth proportional to 749,601.14, 1,123,618.35 and 328,522.10 is: 492,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,601.14 : 1,123,618.35 = 328,522.10 : x
  2. Step 2: Convert to fraction form
    749,601.14/1,123,618.35 = 328,522.10/x
  3. Step 3: Cross multiply
    749,601.14x = 1,123,618.35 × 328,522.10
  4. Step 4: Simplify right side
    749,601.14x = 369,133,459,940.54
  5. Step 5: Solve for x
    x = 369,133,459,940.54/749,601.14
  6. Step 6: Final answer
    x = 492,439.83

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Double scale
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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.