Home / 809,528.16-1,214,070.39-304,050.09

Finding the Fourth Proportional to 809,528.16, 1,214,070.39 and 304,050.09

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Solution

The fourth proportional to 809,528.16, 1,214,070.39 and 304,050.09 is: 455,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,528.16 : 1,214,070.39 = 304,050.09 : x
  2. Step 2: Convert to fraction form
    809,528.16/1,214,070.39 = 304,050.09/x
  3. Step 3: Cross multiply
    809,528.16x = 1,214,070.39 × 304,050.09
  4. Step 4: Simplify right side
    809,528.16x = 369,138,211,345.84
  5. Step 5: Solve for x
    x = 369,138,211,345.84/809,528.16
  6. Step 6: Final answer
    x = 455,991.81

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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.