Home / 909,986.10-1,364,979.15-490,082.10

Finding the Fourth Proportional to 909,986.10, 1,364,979.15 and 490,082.10

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Solution

The fourth proportional to 909,986.10, 1,364,979.15 and 490,082.10 is: 735,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,986.10 : 1,364,979.15 = 490,082.10 : x
  2. Step 2: Convert to fraction form
    909,986.10/1,364,979.15 = 490,082.10/x
  3. Step 3: Cross multiply
    909,986.10x = 1,364,979.15 × 490,082.10
  4. Step 4: Simplify right side
    909,986.10x = 668,951,848,288.22
  5. Step 5: Solve for x
    x = 668,951,848,288.22/909,986.10
  6. Step 6: Final answer
    x = 735,123.15

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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.