Home / 850,360.32-1,275,759.54-317,885.22

Finding the Fourth Proportional to 850,360.32, 1,275,759.54 and 317,885.22

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Solution

The fourth proportional to 850,360.32, 1,275,759.54 and 317,885.22 is: 476,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,360.32 : 1,275,759.54 = 317,885.22 : x
  2. Step 2: Convert to fraction form
    850,360.32/1,275,759.54 = 317,885.22/x
  3. Step 3: Cross multiply
    850,360.32x = 1,275,759.54 × 317,885.22
  4. Step 4: Simplify right side
    850,360.32x = 405,545,102,040.00
  5. Step 5: Solve for x
    x = 405,545,102,040.00/850,360.32
  6. Step 6: Final answer
    x = 476,909.72

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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.