Home / 809,511.32-1,214,045.31-304,033.20

Finding the Fourth Proportional to 809,511.32, 1,214,045.31 and 304,033.20

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Solution

The fourth proportional to 809,511.32, 1,214,045.31 and 304,033.20 is: 455,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,511.32 : 1,214,045.31 = 304,033.20 : x
  2. Step 2: Convert to fraction form
    809,511.32/1,214,045.31 = 304,033.20/x
  3. Step 3: Cross multiply
    809,511.32x = 1,214,045.31 × 304,033.20
  4. Step 4: Simplify right side
    809,511.32x = 369,110,077,131.75
  5. Step 5: Solve for x
    x = 369,110,077,131.75/809,511.32
  6. Step 6: Final answer
    x = 455,966.54

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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.