Home / 806,569.80-1,209,814.61-301,091.94

Finding the Fourth Proportional to 806,569.80, 1,209,814.61 and 301,091.94

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Solution

The fourth proportional to 806,569.80, 1,209,814.61 and 301,091.94 is: 451,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,569.80 : 1,209,814.61 = 301,091.94 : x
  2. Step 2: Convert to fraction form
    806,569.80/1,209,814.61 = 301,091.94/x
  3. Step 3: Cross multiply
    806,569.80x = 1,209,814.61 × 301,091.94
  4. Step 4: Simplify right side
    806,569.80x = 364,265,426,459.78
  5. Step 5: Solve for x
    x = 364,265,426,459.78/806,569.80
  6. Step 6: Final answer
    x = 451,622.94

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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.