Home / 910,834.32-1,366,412.04-311,654.64

Finding the Fourth Proportional to 910,834.32, 1,366,412.04 and 311,654.64

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Solution

The fourth proportional to 910,834.32, 1,366,412.04 and 311,654.64 is: 467,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,834.32 : 1,366,412.04 = 311,654.64 : x
  2. Step 2: Convert to fraction form
    910,834.32/1,366,412.04 = 311,654.64/x
  3. Step 3: Cross multiply
    910,834.32x = 1,366,412.04 × 311,654.64
  4. Step 4: Simplify right side
    910,834.32x = 425,848,652,417.87
  5. Step 5: Solve for x
    x = 425,848,652,417.87/910,834.32
  6. Step 6: Final answer
    x = 467,536.90

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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.