Home / 806,501.05-1,209,748.50-301,189.24

Finding the Fourth Proportional to 806,501.05, 1,209,748.50 and 301,189.24

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Solution

The fourth proportional to 806,501.05, 1,209,748.50 and 301,189.24 is: 451,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,501.05 : 1,209,748.50 = 301,189.24 : x
  2. Step 2: Convert to fraction form
    806,501.05/1,209,748.50 = 301,189.24/x
  3. Step 3: Cross multiply
    806,501.05x = 1,209,748.50 × 301,189.24
  4. Step 4: Simplify right side
    806,501.05x = 364,363,227,284.12
  5. Step 5: Solve for x
    x = 364,363,227,284.12/806,501.05
  6. Step 6: Final answer
    x = 451,782.70

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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.