Home / 908,082.40-1,362,123.60-509,501.65

Finding the Fourth Proportional to 908,082.40, 1,362,123.60 and 509,501.65

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Solution

The fourth proportional to 908,082.40, 1,362,123.60 and 509,501.65 is: 764,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,082.40 : 1,362,123.60 = 509,501.65 : x
  2. Step 2: Convert to fraction form
    908,082.40/1,362,123.60 = 509,501.65/x
  3. Step 3: Cross multiply
    908,082.40x = 1,362,123.60 × 509,501.65
  4. Step 4: Simplify right side
    908,082.40x = 694,004,221,703.94
  5. Step 5: Solve for x
    x = 694,004,221,703.94/908,082.40
  6. Step 6: Final answer
    x = 764,252.48

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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.