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Finding the Fourth Proportional to 404,310.77, 605,994.56 and 304,148.92

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Solution

The fourth proportional to 404,310.77, 605,994.56 and 304,148.92 is: 455,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,310.77 : 605,994.56 = 304,148.92 : x
  2. Step 2: Convert to fraction form
    404,310.77/605,994.56 = 304,148.92/x
  3. Step 3: Cross multiply
    404,310.77x = 605,994.56 × 304,148.92
  4. Step 4: Simplify right side
    404,310.77x = 184,312,586,399.16
  5. Step 5: Solve for x
    x = 184,312,586,399.16/404,310.77
  6. Step 6: Final answer
    x = 455,868.60

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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.